Changeset 3398277

Timestamp:

11/18/2025 06:19:54 PM (5 months ago)

Author:

nosilver4u

Message:

tagging and releasing 4.3.0

Location:

easy-image-optimizer

Files:

• tags/4.3.0 (copied) (copied from easy-image-optimizer/trunk)
• tags/4.3.0/changelog.txt (modified) (1 diff)
• tags/4.3.0/classes/class-base.php (modified) (3 diffs)
• tags/4.3.0/classes/class-buffer.php (added)
• tags/4.3.0/classes/class-exactdn.php (modified) (32 diffs)
• tags/4.3.0/classes/class-hs-beacon.php (modified) (1 diff)
• tags/4.3.0/classes/class-lazy-load.php (modified) (23 diffs)
• tags/4.3.0/classes/class-page-parser.php (modified) (5 diffs)
• tags/4.3.0/classes/class-plugin.php (modified) (9 diffs)
• tags/4.3.0/classes/class-settings.php (added)
• tags/4.3.0/easy-image-optimizer.php (modified) (5 diffs)
• tags/4.3.0/images/easyio-toon-car-with-text.png (added)
• tags/4.3.0/images/easyio-toon-car.png (modified) (previous)
• tags/4.3.0/includes/chart.min.js (added)
• tags/4.3.0/includes/easyio-settings.css (added)
• tags/4.3.0/includes/eio.js (modified) (2 diffs)
• tags/4.3.0/includes/lazysizes-post.js (modified) (7 diffs)
• tags/4.3.0/includes/lazysizes-pre.js (modified) (2 diffs)
• tags/4.3.0/includes/lazysizes.min.js (modified) (1 diff)
• tags/4.3.0/phpcs.ruleset.xml (modified) (1 diff)
• tags/4.3.0/readme.txt (modified) (2 diffs)
• trunk/changelog.txt (modified) (1 diff)
• trunk/classes/class-base.php (modified) (3 diffs)
• trunk/classes/class-buffer.php (added)
• trunk/classes/class-exactdn.php (modified) (32 diffs)
• trunk/classes/class-hs-beacon.php (modified) (1 diff)
• trunk/classes/class-lazy-load.php (modified) (23 diffs)
• trunk/classes/class-page-parser.php (modified) (5 diffs)
• trunk/classes/class-plugin.php (modified) (9 diffs)
• trunk/classes/class-settings.php (added)
• trunk/easy-image-optimizer.php (modified) (5 diffs)
• trunk/images/easyio-toon-car-with-text.png (added)
• trunk/images/easyio-toon-car.png (modified) (previous)
• trunk/includes/chart.min.js (added)
• trunk/includes/easyio-settings.css (added)
• trunk/includes/eio.js (modified) (2 diffs)
• trunk/includes/lazysizes-post.js (modified) (7 diffs)
• trunk/includes/lazysizes-pre.js (modified) (2 diffs)
• trunk/includes/lazysizes.min.js (modified) (1 diff)
• trunk/phpcs.ruleset.xml (modified) (1 diff)
• trunk/readme.txt (modified) (2 diffs)

easy-image-optimizer/tags/4.3.0/changelog.txt

@@ +1 @@
+= 4.3.0 =
+*Release Date - November 18, 2025*
+
+* added: Lazy Load support for background images in external CSS files
+* added: View CDN bandwidth usage on settings page
+* changed: Lazy Load checks parent element for skip-lazy class
+* changed: Lazy Load auto-sizing honors High DPI setting
+* changed: Easy IO fills in 450px wide image when responsive (srcset) images have a gap
+* improved: Lazy Load performance when searching for img elements
+* improved: Lazy Load placeholder generation is faster and works better with Safari
+* fixed: Lazy Load for iframes breaks WP Remote Users Sync plugin
+
 = 4.2.1 =
 *Release Date - August 26, 2025*

easy-image-optimizer/tags/4.3.0/classes/class-base.php

@@ -327 +327 @@
             if ( $this->is_iterable( $potential_logs ) ) {
                 foreach ( $potential_logs as $potential_log ) {
-                    if ( $this->str_ends_with( $potential_log, '.log' ) && false !== strpos( $potential_log, strtolower( __NAMESPACE__ ) . '-debug-' ) && is_file( $this->content_dir . $potential_log ) ) {
+                    if ( \str_ends_with( $potential_log, '.log' ) && false !== strpos( $potential_log, strtolower( __NAMESPACE__ ) . '-debug-' ) && is_file( $this->content_dir . $potential_log ) ) {
                         return $this->content_dir . $potential_log;
                     }
@@ -1349 +1349 @@
 
     /**
-     * Performs a case-sensitive check indicating if
-     * the haystack ends with needle.
-     *
-     * @param string $haystack The string to search in.
-     * @param string $needle   The substring to search for in the `$haystack`.
-     * @return bool True if `$haystack` ends with `$needle`, otherwise false.
-     */
-    public function str_ends_with( $haystack, $needle ) {
-        if ( '' === $haystack && '' !== $needle ) {
-            return false;
-        }
-
-        $len = \strlen( $needle );
-
-        return 0 === \substr_compare( $haystack, $needle, -$len, $len );
+     * Wrapper around size_format to remove the decimal from sizes in bytes.
+     *
+     * @param int $size A filesize in bytes.
+     * @param int $precision Number of places after the decimal separator.
+     * @return string Human-readable filesize.
+     */
+    public function size_format( $size, $precision = 1 ) {
+            // Convert it to human readable format.
+            $size_str = \size_format( $size, $precision );
+            // Remove spaces and extra decimals when measurement is in bytes.
+            return \preg_replace( '/\.0+ B ?/', ' B', $size_str );
     }
 
@@ -1633 +1629 @@
             return false;
         }
-        if ( 0 === \strpos( $url, '//' ) ) {
+        if ( \str_starts_with( $url, '//' ) ) {
             $url = ( \is_ssl() ? 'https:' : 'http:' ) . $url;
         }
-        if ( false === \strpos( $url, 'http' ) && '/' !== \substr( $url, 0, 1 ) ) {
+        if ( ! \str_starts_with( $url, 'http' ) && ! \str_starts_with( $url, '/' ) && ! \str_starts_with( $url, '.' ) ) {
             $url = ( \is_ssl() ? 'https://' : 'http://' ) . $url;
         }

easy-image-optimizer/tags/4.3.0/classes/class-exactdn.php

@@ -65 +65 @@
      */
     public $full_width = false;
+
+    /**
+     * Indicates the local domain has changed, and Easy IO should be re-initialized.
+     *
+     * @access public
+     * @var bool $domain_mismatch
+     */
+    public $domain_mismatch = false;
 
     /**
@@ -399 +407 @@
         \add_filter( 'autoptimize_filter_cssjs_multidomain', array( $this, 'add_cdn_domain' ) );
 
-        if ( $this->is_as3cf_cname_active() ) {
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_as3cf_cname_active' );
-            return;
-        }
+        \add_action( 'admin_notices', array( $this, 'admin_notices' ) );
 
         $upload_url_parts = $this->parse_url( $this->site_url );
@@ -414 +419 @@
             $this->set_exactdn_option( 'local_domain', \base64_encode( $this->upload_domain ) );
             $stored_local_domain = $this->upload_domain;
-        } elseif ( false !== \strpos( $stored_local_domain, '.' ) ) {
+        } elseif ( \str_contains( $stored_local_domain, '.' ) ) {
             $this->set_exactdn_option( 'local_domain', \base64_encode( $stored_local_domain ) );
-        } else {
-            $stored_local_domain = \base64_decode( $stored_local_domain );
-        }
-        $this->debug_message( "saved domain is $stored_local_domain" );
+        }
+        $this->debug_message( "saved (local) domain is $stored_local_domain" );
 
         $this->debug_message( "allowing images from here: $this->upload_domain" );
@@ -433 +436 @@
             $this->debug_message( "removing this from urls: $this->remove_path" );
         }
-        if (
-            $stored_local_domain !== $this->upload_domain &&
-            ! $this->allow_image_domain( $stored_local_domain ) &&
-            \is_admin()
-        ) {
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_domain_mismatch' );
-        }
         $this->allowed_domains[] = $this->exactdn_domain;
         $this->allowed_domains   = \apply_filters( 'exactdn_allowed_domains', $this->allowed_domains );
@@ -500 +496 @@
      */
     public function cron_setup( $schedule = true ) {
-        $this->debug_message( '<b>' . __FUNCTION__ . '()</b>' );
+        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
         $event = 'easyio_verification_checkin';
         // Setup scheduled optimization if the user has enabled it, and it isn't already scheduled.
@@ -530 +526 @@
 
     /**
+     * Sends the useragent through filters for http requests to the EWWW IO API.
+     *
+     * @param string $useragent The current useragent used in http requests.
+     * @return string The filtered useragent.
+     */
+    public function api_useragent( $useragent ) {
+        return apply_filters( 'exactdn_api_request_useragent', $useragent );
+    }
+
+    /**
      * Use the Site URL to get the zone domain.
      */
@@ -538 +544 @@
             global $exactdn_activate_error;
             $exactdn_activate_error = 'as3cf_cname_active';
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_as3cf_cname_active' );
             return false;
         }
@@ -548 +553 @@
             $url = \set_url_scheme( $url, 'https' );
         }
-        \add_filter( 'http_headers_useragent', $this->prefix . 'cloud_useragent', PHP_INT_MAX );
+        \add_filter( 'http_headers_useragent', array( $this, 'api_useragent' ), PHP_INT_MAX );
         $result = \wp_remote_post(
             $url,
@@ -564 +569 @@
             global $exactdn_activate_error;
             $exactdn_activate_error = $error_message;
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
             return false;
         } elseif ( ! empty( $result['body'] ) && \strpos( $result['body'], 'domain' ) !== false ) {
@@ -583 +587 @@
                 if ( \get_option( 'exactdn_never_been_active' ) ) {
                     $this->set_option( $this->prefix . 'lazy_load', true );
-                    $this->set_option( 'exactdn_lossy', true );
                     $this->set_option( 'exactdn_all_the_things', true );
                     \delete_option( 'exactdn_never_been_active' );
@@ -598 +601 @@
             global $exactdn_activate_error;
             $exactdn_activate_error = $error_message;
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
             return false;
         }
@@ -649 +651 @@
             $test_url     = \str_replace( $local_domain, $domain, $test_url );
             $this->debug_message( "test url is $test_url" );
-            \add_filter( 'http_headers_useragent', $this->prefix . 'cloud_useragent', PHP_INT_MAX );
+            \add_filter( 'http_headers_useragent', array( $this, 'api_useragent' ), PHP_INT_MAX );
             $test_result = \wp_remote_post(
                 $api_url,
@@ -665 +667 @@
                 $this->debug_message( "exactdn (1) verification request failed: $error_message" );
                 $exactdn_activate_error = $error_message;
-                \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
                 return false;
-            } elseif ( ! empty( $test_result['body'] ) && false === \strpos( $test_result['body'], 'error' ) ) {
+            } elseif ( ! empty( $test_result['body'] ) && ! \str_contains( $test_result['body'], 'error' ) ) {
                 $response = \json_decode( $test_result['body'], true );
                 if ( ! empty( $response['success'] ) ) {
@@ -677 +678 @@
                         $this->asset_domains = $response['asset_domains'];
                     }
-                    \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_success' );
                     return true;
                 }
@@ -689 +689 @@
                     \delete_site_option( $this->prefix . 'exactdn_domain' );
                 }
-                \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
                 return false;
             }
@@ -695 +694 @@
                 $this->debug_message( 'received response code: ' . $test_result['response']['code'] );
             }
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
             return false;
         }
 
         // Secondary test against the API db.
-        \add_filter( 'http_headers_useragent', $this->prefix . 'cloud_useragent', PHP_INT_MAX );
+        \add_filter( 'http_headers_useragent', array( $this, 'api_useragent' ), PHP_INT_MAX );
         $result = \wp_remote_post(
             $api_url,
@@ -715 +713 @@
             $this->debug_message( "exactdn verification request failed: $error_message" );
             $exactdn_activate_error = $error_message;
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
             return false;
-        } elseif ( ! empty( $result['body'] ) && false === \strpos( $result['body'], 'error' ) ) {
+        } elseif ( ! empty( $result['body'] ) && ! \str_contains( $result['body'], 'error' ) ) {
             $response = \json_decode( $result['body'], true );
             if ( ! empty( $response['success'] ) ) {
@@ -730 +727 @@
                 $this->debug_message( 'exactdn verification via API succeeded' );
                 $this->set_exactdn_option( 'verified', 1, false );
-                if ( empty( $last_checkin ) ) {
-                    \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_success' );
-                }
                 return true;
             }
@@ -744 +738 @@
                 \delete_site_option( $this->prefix . 'exactdn_domain' );
             }
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
             return false;
         }
@@ -750 +743 @@
             $this->debug_message( 'received response code: ' . $result['response']['code'] );
         }
-        \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
         return false;
     }
@@ -762 +754 @@
             // Prelim test with a known valid image to ensure http(s) connectivity.
             $sim_url = 'https://optimize.exactdn.com/exactdn/testorig.jpg';
-            \add_filter( 'http_headers_useragent', $this->prefix . 'cloud_useragent', PHP_INT_MAX );
+            \add_filter( 'http_headers_useragent', array( $this, 'api_useragent' ), PHP_INT_MAX );
             $sim_result = \wp_remote_get( $sim_url );
             if ( \is_wp_error( $sim_result ) ) {
@@ -900 +892 @@
         }
         return \update_option( $this->prefix . 'exactdn_' . $option_name, $option_value, $autoload );
+    }
+
+    /**
+     * Check for conditions that need to trigger an admin notice (action).
+     */
+    public function admin_notices() {
+        if ( $this->is_as3cf_cname_active() ) {
+            \do_action( 'exactdn_as3cf_cname_active' );
+        }
+        $stored_local_domain = $this->get_exactdn_option( 'local_domain' );
+        $stored_local_domain = \base64_decode( $stored_local_domain );
+        if (
+            $stored_local_domain !== $this->upload_domain &&
+            ! $this->allow_image_domain( $stored_local_domain )
+        ) {
+            $this->domain_mismatch = true;
+            \do_action( 'exactdn_domain_mismatch' );
+        }
     }
 
@@ -2952 +2962 @@
          * @param array|bool $multipliers Array of multipliers to use or false to bypass.
          */
-        $multipliers = \apply_filters( 'exactdn_srcset_multipliers', array( .2, .4, .6, .8, 1 ) );
+        $multipliers = \apply_filters( 'exactdn_srcset_multipliers', array( .2, .4, .6, .8, 1, 450 ) );
 
         if ( empty( $url ) || empty( $multipliers ) ) {
@@ -3039 +3049 @@
 
                 $newwidth = \intval( $base * $multiplier );
-                if ( 1920 === (int) $multiplier ) {
-                    $newwidth = 1920;
-                    if ( ! $w_descriptor || 1920 >= $reqwidth || 'soft' !== $crop ) {
+                if ( $multiplier > 50 ) { // Not a true multiplier, but a hard-coded width.
+                    $newwidth = $multiplier;
+                    if ( ! $w_descriptor || $multiplier >= $reqwidth || 'soft' !== $crop ) {
                         $this->debug_message( "skipping $multiplier due to no w descriptor, larger than $reqwidth, or $crop !== soft" );
                         continue;
@@ -3150 +3160 @@
          * @param array|bool $multipliers Array of multipliers to use or false to bypass.
          */
-        $multipliers = \apply_filters( 'exactdn_srcset_multipliers', array( .2, .4, .6, .8, 1 ) );
+        $multipliers = \apply_filters( 'exactdn_srcset_multipliers', array( .2, .4, .6, .8, 1, 450 ) );
         /**
          * Filter the width ExactDN will use to create srcset attribute.
@@ -3175 +3185 @@
             foreach ( $multipliers as $multiplier ) {
                 $newwidth = \intval( $width * $multiplier );
-                if ( 1920 === (int) $multiplier ) {
+                if ( $multiplier > 50 ) { // Not a true multiplier, but a hard-coded width.
                     if ( $multiplier >= $width ) {
                         continue;
                     }
-                    $newwidth = 1920;
+                    $newwidth = $multiplier;
                 }
                 if ( $newwidth < 50 ) {
@@ -3569 +3579 @@
         if ( $this->get_option( 'exactdn_hidpi' ) ) {
             $this->debug_message( 'adding hidpi multipliers' );
-            return array( .2, .4, .6, .8, 1, 2, 3, 1920 );
+            $multipliers[] = 2;
+            $multipliers[] = 3;
+            $multipliers[] = 1920;
         }
         return $multipliers;
@@ -4317 +4329 @@
 
         $more_args = array();
-        if ( false === \strpos( $image_url, 'strip=all' ) && $this->get_option( $this->prefix . 'metadata_remove' ) ) {
+        if ( ! \str_contains( $image_url, 'strip=all' ) && $this->get_option( $this->prefix . 'metadata_remove' ) ) {
             $more_args['strip'] = 'all';
         }
@@ -4325 +4337 @@
         } elseif ( isset( $args['lossy'] ) && false !== \strpos( $image_url, 'lossy=0' ) ) {
             unset( $args['lossy'] );
-        } elseif ( false === \strpos( $image_url, 'lossy=' ) && ! $this->get_option( 'exactdn_lossy' ) ) {
-            $more_args['lossy'] = 0;
-        } elseif ( false === \strpos( $image_url, 'lossy=' ) && $this->get_option( 'exactdn_lossy' ) ) {
-            $more_args['lossy'] = \is_numeric( $this->get_option( 'exactdn_lossy' ) ) ? (int) $this->get_option( 'exactdn_lossy' ) : 1;
         }
         if ( false === \strpos( $image_url, 'quality=' ) && ! \is_null( $jpg_quality ) && 82 !== (int) $jpg_quality ) {
@@ -4376 +4384 @@
 
         if ( isset( $image_url_parts['scheme'] ) && 'https' === $image_url_parts['scheme'] ) {
-            if ( \is_array( $args ) && false === \strpos( $image_url, 'ssl=' ) ) {
-                $this->debug_message( 'adding ssl=1' );
-                $args['ssl'] = 1;
-            }
             $this->debug_message( 'setting scheme to https' );
             $scheme = 'https';
@@ -4397 +4401 @@
             foreach ( $args as $arg => $value ) {
                 if ( \is_array( $value ) ) {
-                    $args[ $arg ] = \implode( ',', $value );
+                    $value        = \implode( ',', $value );
+                    $args[ $arg ] = $value;
                 }
             }
@@ -4566 +4571 @@
             $url = \set_url_scheme( $url, 'https' );
         }
-        \add_filter( 'http_headers_useragent', $this->prefix . 'cloud_useragent', PHP_INT_MAX );
+        \add_filter( 'http_headers_useragent', array( $this, 'api_useragent' ), PHP_INT_MAX );
         $result = \wp_remote_post(
             $url,

easy-image-optimizer/tags/4.3.0/classes/class-hs-beacon.php

@@ -101 +101 @@
             return;
         }
-        if ( \strpos( __FILE__, 'plugins/easy' ) ) {
-            \easyio_notice_beacon();
-        }
+        \do_action( strtolower( __NAMESPACE__ ) . '_beacon_notice' );
     }
 }

easy-image-optimizer/tags/4.3.0/classes/class-lazy-load.php

@@ -96 +96 @@
 
     /**
+     * A list of image tags/sections where lazy loading should not be applied.
+     *
+     * @access private
+     * @var array $forbidden_blocks
+     */
+    private $forbidden_blocks = array();
+
+    /**
      * Request URI.
      *
@@ -101 +109 @@
      */
     public $request_uri = '';
+
+    /**
+     * DOM Document for parsing HTML.
+     *
+     * @var \DOMDocument $doc
+     */
+    private $doc;
+
+    /**
+     * List of img nodes from the DOMDocument.
+     *
+     * @var \DOMNodeList $img_nodes
+     */
+    private $img_nodes;
 
     /**
@@ -198 +220 @@
             \add_action( 'wp_enqueue_scripts', array( $this, 'min_script' ), 1 );
         }
+
+        // Allow other plugins to get the background image exclusions via filter.
+        \add_filter( 'eio_get_lazy_bg_image_exclusions', array( $this, 'get_bgimage_exclusions' ), 10 );
+
         $this->inline_script_attrs = (array) \apply_filters( 'ewwwio_inline_script_attrs', $this->inline_script_attrs );
         $this->validate_user_exclusions();
@@ -354 +380 @@
 
     /**
+     * Check if an img/iframe tag should be excluded because it falls within a forbidden block.
+     *
+     * @param string $tag The img or iframe tag to check.
+     * @param int    $position The position of the tag within the HTML.
+     * @return bool True if it is within a forbidden block, false otherwise.
+     */
+    private function is_in_forbidden_block( $tag, $position ) {
+        if ( empty( $tag ) || empty( $position ) ) {
+            return false;
+        }
+        if ( $this->is_iterable( $this->forbidden_blocks ) ) {
+            foreach ( $this->forbidden_blocks as $forbidden_block ) {
+                if ( empty( $forbidden_block[0] ) || empty( $forbidden_block[1] ) ) {
+                    continue;
+                }
+                $start = $forbidden_block[1];
+                $end   = $start + \strlen( $forbidden_block[0] );
+                if ( $position > $start && $position < $end ) {
+                    $this->debug_message( 'tag is within a forbidden block' );
+                    return true;
+                }
+            }
+        }
+    }
+
+    /**
      * Search for img elements and rewrite them for Lazy Load with fallback to noscript elements.
      *
@@ -391 +443 @@
         }
 
+        $started_time     = \microtime( true );
         $above_the_fold   = (int) \apply_filters( 'eio_lazy_fold', $this->get_option( $this->prefix . 'll_abovethefold' ) );
         $images_processed = 0;
         $replacements     = array();
 
-        // Clean the buffer of incompatible sections.
-        $search_buffer = \preg_replace( '/<div id="footer_photostream".*?\/div>/s', '', $buffer );
-        $search_buffer = \preg_replace( '/<(picture|noscript|script).*?\/\1>/s', '', $search_buffer );
-
-        $images = $this->get_images_from_html( $search_buffer, false );
+        // Find all incompatible sections, and store them with their offsets.
+        $this->forbidden_blocks = array();
+        \preg_match_all( '/<div id="footer_photostream".*?\/div>/s', $buffer, $forbidden_blocks, PREG_OFFSET_CAPTURE );
+        \preg_match_all( '/<(picture|noscript|script).*?\/\1>/s', $buffer, $more_forbidden_blocks, PREG_OFFSET_CAPTURE );
+        if ( ! empty( $forbidden_blocks[0] ) && ! empty( $more_forbidden_blocks[0] ) ) {
+            $forbidden_blocks[0] = \array_merge( $forbidden_blocks[0], $more_forbidden_blocks[0] );
+        } elseif ( ! empty( $more_forbidden_blocks[0] ) ) {
+            $forbidden_blocks = $more_forbidden_blocks;
+        }
+        $this->forbidden_blocks = ! empty( $forbidden_blocks[0] ) ? $forbidden_blocks[0] : array();
+
+        $this->doc = new \DOMDocument();
+        libxml_use_internal_errors( true );
+        $this->doc->loadHTML( $buffer );
+        libxml_clear_errors();
+        $this->img_nodes = $this->doc->getElementsByTagName( 'img' );
+
+        $images = $this->get_images_from_html( $buffer, false, true, PREG_OFFSET_CAPTURE );
         if ( ! empty( $images[0] ) && $this->is_iterable( $images[0] ) ) {
             foreach ( $images[0] as $index => $image ) {
-                $file = $images['img_url'][ $index ];
+                $file = $images['img_url'][ $index ][0];
                 $this->debug_message( "parsing an image: $file" );
-                if ( $this->validate_image_tag( $image ) ) {
+                if ( empty( $image[0] ) || empty( $image[1] ) ) {
+                    $this->debug_message( 'missing image tag or position' );
+                    continue;
+                }
+                $image_tag = $image[0];
+                $position  = $image[1];
+                if ( $this->is_in_forbidden_block( $image_tag, $position ) ) {
+                    continue;
+                }
+                if ( $this->validate_image_tag( $image_tag ) ) {
                     $this->debug_message( 'found a valid image tag' );
-                    $this->debug_message( "original image tag: $image" );
-                    $orig_img = $image;
-                    $ns_img   = $image;
-                    $image    = $this->parse_img_tag( $image, $file );
+                    $this->debug_message( "original image tag: $image_tag" );
+                    $orig_img  = $image_tag;
+                    $ns_img    = $image_tag;
+                    $image_tag = $this->parse_img_tag( $image_tag, $file );
                     $this->set_attribute( $ns_img, 'data-eio', 'l', true );
                     $noscript = '<noscript>' . $ns_img . '</noscript>';
-                    $position = \strpos( $buffer, $orig_img );
-                    if ( $position && $orig_img !== $image ) {
+                    if ( $position && $orig_img !== $image_tag ) {
+                        $this->debug_message( "lazified image at position $position" );
                         $replacements[ $position ] = array(
                             'orig' => $orig_img,
-                            'lazy' => $image . $noscript,
+                            'lazy' => $image_tag . $noscript,
                         );
                     }
-                    /* $buffer   = str_replace( $orig_img, $image . $noscript, $buffer ); */
                 }
             } // End foreach().
         } // End if().
+
         $element_types = \apply_filters( 'eio_allowed_background_image_elements', array( 'div', 'li', 'span', 'section', 'a' ) );
         foreach ( $element_types as $element_type ) {
@@ -435 +510 @@
             }
         }
+
         if ( \in_array( 'picture', $this->user_element_exclusions, true ) ) {
             $pictures = '';
         } else {
             // Images listed as picture/source elements. Mostly for NextGEN, but should work anywhere.
-            $pictures = $this->get_picture_tags_from_html( $buffer );
+            $pictures = $this->get_picture_tags_from_html( $buffer, PREG_OFFSET_CAPTURE );
         }
         if ( $this->is_iterable( $pictures ) ) {
             foreach ( $pictures as $index => $picture ) {
-                if ( ! $this->validate_image_tag( $picture ) ) {
-                    continue;
-                }
-                $pimages = $this->get_images_from_html( $picture, false );
+                if ( empty( $picture[0] ) || empty( $picture[1] ) ) {
+                    $this->debug_message( 'missing picture tag or position' );
+                    continue;
+                }
+                $picture_tag = $picture[0];
+                $position    = $picture[1];
+                if ( ! $this->validate_image_tag( $picture_tag ) ) {
+                    continue;
+                }
+                $pimages = $this->get_images_from_html( $picture_tag, false );
                 if ( ! empty( $pimages[0] ) && $this->is_iterable( $pimages[0] ) && ! empty( $pimages[0][0] ) ) {
                     $image = $pimages[0][0];
@@ -458 +540 @@
                         $image    = $this->parse_img_tag( $image, $file );
                         $this->set_attribute( $ns_img, 'data-eio', 'l', true );
-                        $noscript = '<noscript>' . $ns_img . '</noscript>';
-                        $picture  = \str_replace( $orig_img, $image, $picture ) . $noscript;
+                        $noscript    = '<noscript>' . $ns_img . '</noscript>';
+                        $picture_tag = \str_replace( $orig_img, $image, $picture_tag ) . $noscript;
                     }
                 } else {
                     continue;
                 }
-                $sources = $this->get_elements_from_html( $picture, 'source' );
+                $sources = $this->get_elements_from_html( $picture_tag, 'source' );
                 if ( $this->is_iterable( $sources ) ) {
                     foreach ( $sources as $source ) {
@@ -477 +559 @@
                             $this->set_attribute( $lazy_source, 'data-srcset', $srcset );
                             $this->remove_attribute( $lazy_source, 'srcset' );
-                            $picture = \str_replace( $source, $lazy_source, $picture );
+                            $picture_tag = \str_replace( $source, $lazy_source, $picture_tag );
                         }
                     }
-                    $position = \strpos( $buffer, $pictures[ $index ] );
-                    if ( $position && $picture !== $pictures[ $index ] ) {
+                    if ( $position && $picture_tag !== $pictures[ $index ][0] ) {
                         $this->debug_message( 'lazified sources for picture element' );
                         $replacements[ $position ] = array(
-                            'orig' => $pictures[ $index ],
-                            'lazy' => $picture,
+                            'orig' => $pictures[ $index ][0],
+                            'lazy' => $picture_tag,
                         );
-                        /* $buffer = str_replace( $pictures[ $index ], $picture, $buffer ); */
-                    }
-                }
-            }
-        }
+                    }
+                }
+            }
+        }
+
         // Iframe elements, looking for stuff like YouTube embeds.
         if ( \in_array( 'iframe', $this->user_element_exclusions, true ) ) {
             $frames = '';
         } else {
-            $frames = $this->get_elements_from_html( $search_buffer, 'iframe' );
+            $frames = $this->get_elements_from_html( $buffer, 'iframe', PREG_OFFSET_CAPTURE );
         }
         if ( $this->is_iterable( $frames ) ) {
-            foreach ( $frames as $index => $frame ) {
+            foreach ( $frames as $index => $frame_data ) {
+                if ( empty( $frame_data[0] ) || empty( $frame_data[1] ) ) {
+                    $this->debug_message( 'missing iframe tag or position' );
+                    continue;
+                }
                 $this->debug_message( 'parsing an iframe element' );
+                $frame    = $frame_data[0];
+                $position = $frame_data[1];
+                if ( $this->is_in_forbidden_block( $frame, $position ) ) {
+                    continue;
+                }
                 $url = $this->get_attribute( $frame, 'src' );
                 if ( $url && 0 === \strpos( $url, 'http' ) && $this->validate_iframe_tag( $frame ) ) {
@@ -507 +597 @@
                     $this->remove_attribute( $frame, 'src' );
                     $this->set_attribute( $frame, 'class', \trim( $this->get_attribute( $frame, 'class' ) . ' lazyload' ), true );
-                    if ( $frame !== $frames[ $index ] ) {
-                        $buffer = \str_replace( $frames[ $index ], $frame, $buffer );
-                    }
-                }
-            }
-        }
+                    if ( $frame !== $frames[ $index ][0] ) {
+                        $buffer = \str_replace( $frames[ $index ][0], $frame, $buffer );
+                    }
+                }
+            }
+        }
+
         if ( $this->is_iterable( $replacements ) ) {
             \ksort( $replacements );
@@ -534 +625 @@
             }
         }
-        $this->debug_message( 'all done parsing page for lazy' );
+
+        $elapsed_time = \microtime( true ) - $started_time;
+        $this->debug_message( "all done parsing page for lazy in $elapsed_time seconds" );
         return $buffer;
     }
@@ -796 +889 @@
             return $replacements;
         }
-        $elements = $this->get_elements_from_html( \preg_replace( '/<(noscript|script).*?\/\1>/s', '', $buffer ), $tag_type );
+        $elements = $this->get_elements_from_html( $buffer, $tag_type, PREG_OFFSET_CAPTURE );
         if ( $this->is_iterable( $elements ) ) {
-            foreach ( $elements as $index => $element ) {
+            foreach ( $elements as $index => $element_data ) {
+                if ( empty( $element_data[0] ) || empty( $element_data[1] ) ) {
+                    $this->debug_message( 'missing element or position' );
+                    continue;
+                }
+                $element  = $element_data[0];
+                $position = $element_data[1];
+                if ( $this->is_in_forbidden_block( $element, $position ) ) {
+                    continue;
+                }
                 $this->debug_message( "parsing a $tag_type" );
-                if ( false === \strpos( $element, 'background:' ) && false === \strpos( $element, 'background-image:' ) ) {
+                if ( ! \str_contains( $element, 'background:' ) && ! \str_contains( $element, 'background-image:' ) ) {
                     $element = $this->lazify_element( $element );
-                    if ( $element !== $elements[ $index ] ) {
+                    if ( $element !== $elements[ $index ][0] ) {
                         $this->debug_message( "$tag_type lazified, replacing in html source" );
-                        $buffer = \str_replace( $elements[ $index ], $element, $buffer );
-                    }
-                    continue;
-                }
-                if ( false !== \strpos( $element, '--background' ) ) {
+                        $buffer = \str_replace( $elements[ $index ][0], $element, $buffer );
+                    }
+                    continue;
+                }
+                if ( \str_contains( $element, '--background' ) ) {
                     $this->set_attribute( $element, 'class', $this->get_attribute( $element, 'class' ) . ' lazyload', true );
-                    if ( $element !== $elements[ $index ] ) {
+                    if ( $element !== $elements[ $index ][0] ) {
                         $this->debug_message( "$tag_type with bg var lazified, replacing in html source" );
-                        $buffer = \str_replace( $elements[ $index ], $element, $buffer );
+                        $buffer = \str_replace( $elements[ $index ][0], $element, $buffer );
                     }
                     continue;
@@ -853 +955 @@
                             }
                         } elseif ( ! empty( $bg_image_urls[0] ) ) {
+                            list( $physical_width, $physical_height ) = $this->get_image_dimensions_by_url( $bg_image_urls[0] );
+                            $this->set_attribute( $element, 'data-back', $bg_image_urls[0] );
+                            if ( $physical_width && $physical_height ) {
+                                $this->set_attribute( $element, 'data-eio-rwidth', $physical_width, true );
+                                $this->set_attribute( $element, 'data-eio-rheight', $physical_height, true );
+                            }
                             $webp_image_url = \apply_filters( 'eio_image_url_to_webp', $bg_image_urls[0] );
-                            $this->set_attribute( $element, 'data-back', $bg_image_urls[0] );
                             if ( $webp_image_url && $webp_image_url !== $bg_image_urls[0] ) {
                                 $this->set_attribute( $element, 'data-back-webp', $webp_image_url );
@@ -862 +969 @@
                     }
                 }
-                $position = \strpos( $buffer, $elements[ $index ] );
-                if ( $position && $element !== $elements[ $index ] ) {
+                if ( $position && $element !== $elements[ $index ][0] ) {
                     $this->debug_message( "$tag_type modified, replacing in html source" );
                     $replacements[ $position ] = array(
-                        'orig' => $elements[ $index ],
+                        'orig' => $elements[ $index ][0],
                         'lazy' => $element,
                     );
-                    /* $buffer = str_replace( $elements[ $index ], $element, $buffer ); */
                 }
             }
@@ -1018 +1123 @@
 
     /**
+     * Normalize HTML for comparison.
+     *
+     * @param string $html The HTML to normalize.
+     * @return string The normalized HTML.
+     */
+    public function normalize_html( $html ) {
+        $html = str_replace( '&amp;', '&', $html );
+        $html = str_replace( '&#038;', '&', $html );
+        $html = str_replace( '%2C', ',', $html );
+        $html = str_replace( ' />', '>', $html );
+        $html = str_replace( "'", '"', $html );
+        $html = preg_replace( '/\s\s+/', ' ', $html );
+        $html = preg_replace( '/\s*=\s*/', '=', $html );
+        return $html;
+    }
+
+    /**
      * Checks if the tag is allowed to be lazy loaded.
      *
@@ -1056 +1178 @@
             }
         }
-
+        // Check for exclusions.
         $exclusions = \apply_filters(
             'eio_lazy_exclusions',
@@ -1089 +1211 @@
                 ),
                 $this->user_exclusions
-            ),
-            $image
+            )
         );
         foreach ( $exclusions as $exclusion ) {
@@ -1106 +1227 @@
             }
         }
+
+        foreach ( $this->img_nodes as $img_node ) {
+            $img_html = $this->doc->saveHTML( $img_node );
+            if ( defined( 'EIO_IMGNODE_DEBUG' ) && EIO_IMGNODE_DEBUG ) {
+                $this->debug_message( 'comparing to node value: ' . $this->normalize_html( $img_html ) . ' to ' . $this->normalize_html( $image ) );
+            }
+            // Normalize the HTML before comparing to avoid issues with different quote styles or spacing.
+            if ( $this->normalize_html( $img_html ) === $this->normalize_html( $image ) ) {
+                $parent = $img_node->parentNode;
+                if ( $parent && 'body' !== $parent->nodeName && $parent->hasAttributes() ) {
+                    $class = trim( $parent->getAttribute( 'class' ) );
+                    $this->debug_message( "Parent class: $class" );
+                    if ( str_contains( $class, 'skip-lazy' ) ) {
+                        $this->debug_message( "Skipping lazy load due to 'skip-lazy' class on parent" );
+                        return false;
+                    }
+                    if ( $parent->hasAttribute( 'data-skip-lazy' ) ) {
+                        $this->debug_message( "Skipping lazy load due to 'data-skip-lazy' attribute on parent" );
+                        return false;
+                    }
+                }
+            }
+        }
+
         return true;
     }
 
     /**
-     * Checks if a tag with a background image is allowed to be lazy loaded.
-     *
-     * @param string $tag The tag.
-     * @return bool True if the tag is allowed, false otherwise.
-     */
-    public function validate_bgimage_tag( $tag ) {
-        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
+     * Gets the exclusion list for lazy loading background images.
+     *
+     * @param array $exclusions The current list of exclusions. Optional.
+     * @return array The modified list of exclusions.
+     */
+    public function get_bgimage_exclusions( $exclusions = array() ) {
+        if ( ! \is_array( $exclusions ) ) {
+            $exclusions = array();
+        }
         $exclusions = \apply_filters(
             'eio_lazy_bg_image_exclusions',
@@ -1127 +1274 @@
                     'skip-lazy',
                     'avia-bg-style-fixed',
+                    'trustindex',
+                ),
+                $this->user_exclusions,
+                $exclusions
+            )
+        );
+        return $exclusions;
+    }
+
+    /**
+     * Checks if a tag with a background image is allowed to be lazy loaded.
+     *
+     * @param string $tag The tag.
+     * @return bool True if the tag is allowed, false otherwise.
+     */
+    public function validate_bgimage_tag( $tag ) {
+        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
+        $exclusions = $this->get_bgimage_exclusions( array() );
+        foreach ( $exclusions as $exclusion ) {
+            if ( false !== \strpos( $tag, $exclusion ) ) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Checks if an iframe tag is allowed to be lazy loaded.
+     *
+     * @param string $tag The tag.
+     * @return bool True if the tag is allowed, false otherwise.
+     */
+    public function validate_iframe_tag( $tag ) {
+        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
+        $exclusions = \apply_filters(
+            'eio_lazy_iframe_exclusions',
+            \array_merge(
+                array(
+                    'about:blank',
+                    'data-no-lazy=',
+                    'display:none',
+                    'display: none',
+                    'googletagmanager',
+                    'lazyload',
+                    'skip-lazy',
+                    'wprus/',
+                    'vimeo',
                 ),
                 $this->user_exclusions
@@ -1141 +1335 @@
 
     /**
-     * Checks if an iframe tag is allowed to be lazy loaded.
-     *
-     * @param string $tag The tag.
-     * @return bool True if the tag is allowed, false otherwise.
-     */
-    public function validate_iframe_tag( $tag ) {
-        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
-        $exclusions = \apply_filters(
-            'eio_lazy_iframe_exclusions',
-            \array_merge(
-                array(
-                    'data-no-lazy=',
-                    'lazyload',
-                    'skip-lazy',
-                    'vimeo',
-                    'about:blank',
-                    'googletagmanager',
-                ),
-                $this->user_exclusions
-            ),
-            $tag
-        );
-        foreach ( $exclusions as $exclusion ) {
-            if ( false !== \strpos( $tag, $exclusion ) ) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    /**
      * Build a PNG inline image placeholder.
      *
@@ -1211 +1374 @@
             return $exactdn->generate_url( $this->content_url . 'lazy/placeholder-' . $width . 'x' . $height . '.png' );
         } elseif ( ! is_file( $piip_path ) ) {
-            // First try PIP generation via Imagick, as it is pretty efficient.
-            if ( $this->imagick_support() ) {
-                $placeholder = new \Imagick();
-                $placeholder->newimage( $width, $height, 'transparent' );
-                $placeholder->setimageformat( 'PNG' );
-                $placeholder->stripimage();
-                $placeholder->writeimage( $piip_path );
-                $placeholder->clear();
+            // First, try GD and then optimize it with optipng/pngout if available.
+            // This is now the first attempt, as the Imagick placeholders are grayscale and may not work in Safari, and GD is somehow faster.
+            if (
+                $this->gd_support() &&
+                $this->check_memory_available( $width * $height * 4.8 ) // 4.8 = 24-bit or 3 bytes per pixel multiplied by a factor of 1.6 for extra wiggle room.
+            ) {
+                $img   = \imagecreatetruecolor( $width, $height );
+                $color = \imagecolorallocatealpha( $img, 0, 0, 0, 127 );
+                \imagefill( $img, 0, 0, $color );
+                \imagesavealpha( $img, true );
+                \imagecolortransparent( $img, \imagecolorat( $img, 0, 0 ) );
+                \imagetruecolortopalette( $img, false, 1 );
+                \imagepng( $img, $piip_path, 9 );
+                if (
+                    \function_exists( '\ewww_image_optimizer' ) &&
+                    \function_exists( '\ewwwio' ) &&
+                    ! \ewwwio()->get_option( 'ewww_image_optimizer_cloud_key' ) &&
+                    \ewwwio()->local->exec_check()
+                ) {
+                    \ewww_image_optimizer( $piip_path );
+                }
             }
             // If that didn't work, and we have a premium service, use the API to generate the slimmest PIP available.
@@ -1234 +1410 @@
                 }
             }
-            // Last shot, use GD and then optimize it with optipng/pngout if available.
+            // Last resort, do PIP generation via Imagick, as it is pretty efficient even though Safari doesn't like the grayscale images it produces.
             if (
                 ! \is_file( $piip_path ) &&
-                $this->gd_support() &&
-                $this->check_memory_available( $width * $height * 4.8 ) // 4.8 = 24-bit or 3 bytes per pixel multiplied by a factor of 1.6 for extra wiggle room.
+                $this->imagick_support()
             ) {
-                $img   = \imagecreatetruecolor( $width, $height );
-                $color = \imagecolorallocatealpha( $img, 0, 0, 0, 127 );
-                \imagefill( $img, 0, 0, $color );
-                \imagesavealpha( $img, true );
-                \imagecolortransparent( $img, \imagecolorat( $img, 0, 0 ) );
-                \imagetruecolortopalette( $img, false, 1 );
-                \imagepng( $img, $piip_path, 9 );
-                if ( \function_exists( '\ewww_image_optimizer' ) ) {
-                    \ewww_image_optimizer( $piip_path );
-                }
+                $placeholder = new \Imagick();
+                $placeholder->newimage( $width, $height, 'transparent' );
+                $placeholder->setimageformat( 'PNG' );
+                $placeholder->stripimage();
+                $placeholder->writeimage( $piip_path );
+                $placeholder->clear();
             }
         }
@@ -1382 +1553 @@
                         'exactdn_domain' => ( $this->parsing_exactdn ? $this->exactdn_domain : '' ),
                         'skip_autoscale' => ( \defined( 'EIO_LL_AUTOSCALE' ) && ! EIO_LL_AUTOSCALE ? 1 : 0 ),
+                        'bg_min_dpr'     => ( \defined( 'EIO_LL_BG_MIN_DPR' ) && EIO_LL_BG_MIN_DPR ? EIO_LL_BG_MIN_DPR : 1.1 ),
                         'threshold'      => (int) $threshold > 50 ? (int) $threshold : 0,
                         'use_dpr'        => (int) $this->get_option( 'exactdn_hidpi' ),
@@ -1423 +1595 @@
                         'exactdn_domain' => ( $this->parsing_exactdn ? $this->exactdn_domain : '' ),
                         'skip_autoscale' => ( \defined( 'EIO_LL_AUTOSCALE' ) && ! EIO_LL_AUTOSCALE ? 1 : 0 ),
+                        'bg_min_dpr'     => ( \defined( 'EIO_LL_BG_MIN_DPR' ) && EIO_LL_BG_MIN_DPR ? EIO_LL_BG_MIN_DPR : 1.1 ),
                         'threshold'      => (int) $threshold > 50 ? (int) $threshold : 0,
                         'use_dpr'        => (int) $this->get_option( 'exactdn_hidpi' ),

easy-image-optimizer/tags/4.3.0/classes/class-page-parser.php

@@ -57 +57 @@
      * @param bool   $hyperlinks Default true. Should we include encasing hyperlinks in our search.
      * @param bool   $src_required Default true. Should we look only for images with src attributes.
+     * @param int    $flags Optional. Flags passed to preg_match_all. Default 0.
      * @return array An array of $images matches, where $images[0] is
      *         an array of full matches, and the link_url, img_tag,
      *         and img_url keys are arrays of those matches.
      */
-    public function get_images_from_html( $content, $hyperlinks = true, $src_required = true ) {
+    public function get_images_from_html( $content, $hyperlinks = true, $src_required = true, $flags = 0 ) {
         $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
         $images          = array();
@@ -80 +81 @@
             $unquoted_pattern = '#(?P<img_tag><img[^>]*?\s+?src\s*=\s*(?P<img_url>[^"\'\\\\<>][^\s\\\\<>]+)(?:\s[^>]*?)?>)#is';
         }
-        if ( \preg_match_all( $search_pattern, $content, $images ) ) {
+        if ( \preg_match_all( $search_pattern, $content, $images, $flags ) ) {
             $this->debug_message( 'found ' . \count( $images[0] ) . ' image elements with quoted pattern' );
             foreach ( $images as $key => $unused ) {
@@ -91 +92 @@
         }
         $images = \array_filter( $images );
-        if ( $unquoted_pattern && \preg_match_all( $unquoted_pattern, $content, $unquoted_images ) ) {
+        if ( $unquoted_pattern && \preg_match_all( $unquoted_pattern, $content, $unquoted_images, $flags ) ) {
             $this->debug_message( 'found ' . \count( $unquoted_images[0] ) . ' image elements with unquoted pattern' );
             foreach ( $unquoted_images as $key => $unused ) {
@@ -147 +148 @@
      *
      * @param string $content Some HTML.
+     * @param int    $flags Optional. Flags passed to preg_match_all. Default 0.
      * @return array An array of $pictures matches, containing full elements with ending tags.
      */
-    public function get_picture_tags_from_html( $content ) {
+    public function get_picture_tags_from_html( $content, $flags = 0 ) {
         $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
         $pictures = array();
-        if ( ! empty( $content ) && \preg_match_all( '#(?:<picture[^>]*?>\s*)(?:<source[^>]*?>)+(?:.*?</picture>)?#is', $content, $pictures ) ) {
+        if ( ! empty( $content ) && \preg_match_all( '#(?:<picture[^>]*?>\s*)(?:<source[^>]*?>)+(?:.*?</picture>)?#is', $content, $pictures, $flags ) ) {
             return $pictures[0];
         }
@@ -212 +214 @@
      * @param string $content Some HTML.
      * @param string $tag_name The name of the elements to retrieve.
+     * @param int    $flags Optional. Flags passed to preg_match_all. Default 0.
      * @return array An array of $elements.
      */
-    public function get_elements_from_html( $content, $tag_name ) {
-        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
-        if ( ! \ctype_alpha( str_replace( '-', '', $tag_name ) ) ) {
+    public function get_elements_from_html( $content, $tag_name, $flags = 0 ) {
+        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
+        if ( ! \ctype_alpha( \str_replace( '-', '', $tag_name ) ) ) {
             return array();
         }
-        if ( ! empty( $content ) && \preg_match_all( '#<' . $tag_name . '\s[^\\\\>]+?>#is', $content, $elements ) ) {
+        if ( ! empty( $content ) && \preg_match_all( '#<' . $tag_name . '\s[^\\\\>]+?>#is', $content, $elements, $flags ) ) {
             return $elements[0];
         }

easy-image-optimizer/tags/4.3.0/classes/class-plugin.php

@@ -28 +28 @@
 
     /**
+     * Buffer object.
+     *
+     * @var object|\EasyIO\Buffer $buffer
+     */
+    public $buffer;
+
+    /**
+     * Lazy Load object.
+     *
+     * @var object|\EasyIO\Lazy_Load $lazy_load
+     */
+    public $lazy_load;
+
+    /**
      * Helpscout Beacon object.
      *
@@ -33 +47 @@
      */
     public $hs_beacon;
+
+    /**
+     * Settings object.
+     *
+     * @var object|\EasyIO\Settings $settings
+     */
+    public $settings;
 
     /**
@@ -50 +71 @@
             self::$instance->requires();
             self::$instance->load_children();
+
+            if ( ! self::$instance->php_supported() ) {
+                return self::$instance;
+            }
+            if ( ! self::$instance->wp_supported() ) {
+                return self::$instance;
+            }
+
+            // Load plugin components that need to be available early.
+            \add_action( 'plugins_loaded', array( self::$instance, 'plugins_loaded' ) );
+            // Setup page parsing, if parsers are enabled.
+            \add_action( 'init', array( self::$instance, 'parser_init' ), 99 );
             // Initializes the plugin for admin interactions, like saving network settings and scheduling cron jobs.
             \add_action( 'admin_init', array( self::$instance, 'admin_init' ) );
 
-            // TODO: check PHP and WP compat here.
-            // TODO: setup anything that needs to run on init/plugins_loaded.
-            // TODO: add any custom option/setting hooks here (actions that need to be taken when certain settings are saved/updated).
+            // Filters to set default permissions, admins can override these if they wish.
+            \add_filter( 'easyio_admin_permissions', array( self::$instance, 'admin_permissions' ), 8 );
+            \add_filter( 'easyio_superadmin_permissions', array( self::$instance, 'superadmin_permissions' ), 8 );
+
+            // Add Easy IO version to useragent for API requests.
+            \add_filter( 'exactdn_api_request_useragent', array( self::$instance, 'api_useragent' ) );
+            // Check the current screen ID to see if temp debugging should still be enabled.
+            \add_action( 'current_screen', array( self::$instance, 'current_screen' ), 10, 1 );
+            // Disable core WebP generation since we already do that.
+            \add_filter( 'wp_upload_image_mime_transforms', '__return_empty_array' );
+            // Makes sure we flush the debug info to the log on shutdown.
+            \add_action( 'shutdown', array( self::$instance, 'debug_log' ) );
         }
 
@@ -86 +128 @@
      */
     private function requires() {
+        // Sets up the settings page and various option-related hooks/functions.
+        require_once EASYIO_PLUGIN_PATH . 'classes/class-settings.php';
+        // Starts the HTML buffer for all other functions to parse.
+        require_once EASYIO_PLUGIN_PATH . 'classes/class-buffer.php';
+        // Page Parsing class for working with HTML content.
+        require_once EASYIO_PLUGIN_PATH . 'classes/class-page-parser.php';
+        // Lazy Load class for parsing image urls and deferring off-screen images.
+        require_once EASYIO_PLUGIN_PATH . 'classes/class-lazy-load.php';
         // EasyIO\HS_Beacon class for integrated help/docs.
         require_once EASYIO_PLUGIN_PATH . 'classes/class-hs-beacon.php';
@@ -94 +144 @@
      */
     public function load_children() {
-        /* self::$instance->class = new Class(); */
+        self::$instance->settings = new Settings();
+    }
+
+    /**
+     * Make sure we are on a supported version of PHP.
+     *
+     * @access private
+     */
+    private function php_supported() {
+        if ( defined( 'PHP_VERSION_ID' ) && PHP_VERSION_ID >= 80100 ) {
+            return true;
+        }
+        \add_action( 'network_admin_notices', array( self::$instance, 'unsupported_php_notice' ) );
+        \add_action( 'admin_notices', array( self::$instance, 'unsupported_php_notice' ) );
+        return false;
+    }
+
+    /**
+     * Make sure we are on a supported version of WordPress.
+     *
+     * @access private
+     */
+    private function wp_supported() {
+        global $wp_version;
+        if ( \version_compare( $wp_version, '6.6' ) >= 0 ) {
+            return true;
+        }
+        \add_action( 'network_admin_notices', array( self::$instance, 'unsupported_wp_notice' ) );
+        \add_action( 'admin_notices', array( self::$instance, 'unsupported_wp_notice' ) );
+        return false;
+    }
+
+    /**
+     * Display a notice that the PHP version is too old.
+     */
+    public function unsupported_php_notice() {
+        echo '<div id="easyio-warning-php" class="error"><p><a href="https://docs.ewww.io/article/55-upgrading-php" target="_blank" data-beacon-article="5ab2baa6042863478ea7c2ae">' . esc_html__( 'Easy Image Optimizer requires PHP 8.1 or greater. Newer versions of PHP are faster and more secure. If you are unsure how to upgrade to a supported version, ask your webhost for instructions.', 'easy-image-optimizer' ) . '</a></p></div>';
+    }
+
+    /**
+     * Display a notice that the WP version is too old.
+     */
+    public function unsupported_wp_notice() {
+        echo '<div id="swis-warning-wp" class="notice notice-error"><p>' . esc_html__( 'Easy Image Optimizer requires WordPress 6.6 or greater, please update your website.', 'easy-image-optimizer' ) . '</p></div>';
+    }
+
+    /**
+     * Run things that need to go early, on plugins_loaded.
+     */
+    public function plugins_loaded() {
+        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
+
+        if ( $this->get_option( 'easyio_lazy_load' ) && $this->get_option( 'easyio_ll_external_bg' ) ) {
+            $this->debug_message( 'requesting external parsing of CSS for background images via SWIS' );
+            add_filter( 'eio_lazify_external_css', '__return_true' );
+        }
+    }
+
+    /**
+     * Setup page parsing classes after theme functions.php is loaded and plugins have run init routines.
+     */
+    public function parser_init() {
+        $buffer_start = false;
+        // If ExactDN is enabled.
+        if ( $this->get_option( 'easyio_exactdn' ) && ! \str_contains( \add_query_arg( '', '' ), 'exactdn_disable=1' ) ) {
+            $buffer_start = true;
+
+            // ExactDN class for parsing image urls and rewriting them.
+            require_once EASYIO_PLUGIN_PATH . 'classes/class-exactdn.php';
+        }
+        // If Lazy Load is enabled.
+        if ( $this->get_option( 'easyio_lazy_load' ) ) {
+            $buffer_start = true;
+
+            $this->lazy_load = new Lazy_Load();
+        }
+        if ( $buffer_start ) {
+            // Start an output buffer before any output starts.
+            $this->buffer = new Buffer();
+        }
     }
 
@@ -102 +231 @@
     public function admin_init() {
         $this->hs_beacon = new HS_Beacon();
-        \easyio_upgrade();
-        $this->register_settings();
 
         if ( ! \class_exists( __NAMESPACE__ . '\ExactDN' ) || ! $this->get_option( 'easyio_exactdn' ) ) {
-            add_action( 'network_admin_notices', 'easyio_notice_inactive' );
-            add_action( 'admin_notices', 'easyio_notice_inactive' );
-        }
+            \add_action( 'network_admin_notices', array( $this, 'service_inactive_notice' ) );
+            \add_action( 'admin_notices', array( $this, 'service_inactive_notice' ) );
+        }
+
+        \add_action( 'exactdn_as3cf_cname_active', array( $this, 'exactdn_as3cf_cname_active_notice' ) );
+        \add_action( 'exactdn_domain_mismatch', array( $this, 'exactdn_domain_mismatch_notice' ) );
+
+        \add_action( 'easyio_beacon_notice', array( $this, 'hs_beacon_notice' ) );
+
         // Prevent ShortPixel AIO messiness.
         \remove_action( 'admin_notices', 'autoptimizeMain::notice_plug_imgopt' );
@@ -117 +250 @@
                 $ao_extra['autoptimize_imgopt_checkbox_field_1'] = 0;
                 \update_option( 'autoptimize_imgopt_settings', $ao_extra );
-                \add_action( 'admin_notices', 'easyio_notice_sp_conflict' );
+                \add_action( 'admin_notices', array( $this, 'sp_conflict_notice' ) );
             }
         }
@@ -124 +257 @@
             if ( $this->get_option( 'easyio_exactdn' ) && \HMWP_Classes_Tools::getOption( 'hmwp_hide_version' ) && ! \HMWP_Classes_Tools::getOption( 'hmwp_hide_version_random' ) ) {
                 $this->debug_message( 'detected HMWP Hide Version' );
-                \add_action( 'admin_notices', array( $this, 'notice_hmwp_hide_version' ) );
+                \add_action( 'admin_notices', array( $this, 'hmwp_hide_version_notice' ) );
             }
         }
 
-        if ( ! \defined( '\WP_CLI' ) || ! WP_CLI ) {
-            \easyio_privacy_policy_content();
-        }
-    }
-
-    /**
-     * Save the multi-site settings, if this is the WP admin, and they've been POSTed.
-     */
-    public function save_network_settings() {
-        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
-        // NOTE: we don't actually have a network settings screen, so...
-        if ( ! \function_exists( 'is_plugin_active_for_network' ) && \is_multisite() ) {
-            // Need to include the plugin library for the is_plugin_active function.
-            require_once ABSPATH . 'wp-admin/includes/plugin.php';
-        }
-            // Set the common network settings if they have been POSTed.
-        if (
-            \is_multisite() &&
-            \is_plugin_active_for_network( EASYIO_PLUGIN_FILE_REL ) &&
-            ! empty( $_REQUEST['_wpnonce'] ) &&
-            isset( $_POST['option_page'] ) &&
-            false !== \strpos( sanitize_text_field( wp_unslash( $_POST['option_page'] ) ), 'easyio_options' ) &&
-            \wp_verify_nonce( sanitize_key( $_REQUEST['_wpnonce'] ), 'easyio_options-options' ) &&
-            \current_user_can( 'manage_network_options' ) &&
-            ! \get_site_option( 'easyio_allow_multisite_override' ) &&
-            false === \strpos( wp_get_referer(), 'options-general' )
-        ) {
-            $this->debug_message( 'network-wide settings, no override' );
-            $easyio_debug = ( empty( $_POST['easyio_debug'] ) ? false : true );
-            \update_site_option( 'easyio_debug', $easyio_debug );
-            $easyio_metadata_remove = ( empty( $_POST['easyio_metadata_remove'] ) ? false : true );
-            \update_site_option( 'easyio_metadata_remove', $easyio_metadata_remove );
-            $exactdn_all_the_things = ( empty( $_POST['exactdn_all_the_things'] ) ? false : true );
-            \update_site_option( 'exactdn_all_the_things', $exactdn_all_the_things );
-            $exactdn_lossy = ( empty( $_POST['exactdn_lossy'] ) ? false : true );
-            \update_site_option( 'exactdn_lossy', $exactdn_lossy );
-            $exactdn_hidpi = ( empty( $_POST['exactdn_hidpi'] ) ? false : true );
-            \update_site_option( 'exactdn_hidpi', $exactdn_hidpi );
-            $exactdn_exclude = empty( $_POST['exactdn_exclude'] ) ? '' : sanitize_textarea_field( wp_unslash( $_POST['exactdn_exclude'] ) );
-            \update_site_option( 'exactdn_exclude', $this->exclude_paths_sanitize( $exactdn_exclude ) );
-            $easyio_add_missing_dims = ( empty( $_POST['easyio_add_missing_dims'] ) ? false : true );
-            \update_site_option( 'easyio_add_missing_dims', $easyio_add_missing_dims );
-            $easyio_lazy_load = ( empty( $_POST['easyio_lazy_load'] ) ? false : true );
-            \update_site_option( 'easyio_lazy_load', $easyio_lazy_load );
-            $easyio_ll_autoscale = ( empty( $_POST['easyio_ll_autoscale'] ) ? false : true );
-            \update_site_option( 'easyio_ll_autoscale', $easyio_ll_autoscale );
-            $easyio_ll_abovethefold = ! empty( $_POST['easyio_ll_abovethefold'] ) ? (int) $_POST['easyio_ll_abovethefold'] : 0;
-            \update_site_option( 'easyio_ll_abovethefold', $easyio_ll_abovethefold );
-            $easyio_use_lqip = ( empty( $_POST['easyio_use_lqip'] ) ? false : true );
-            \update_site_option( 'easyio_use_lqip', $easyio_use_lqip );
-            $easyio_use_dcip = ( empty( $_POST['easyio_use_dcip'] ) ? false : true );
-            \update_site_option( 'easyio_use_dcip', $easyio_use_dcip );
-            $easyio_ll_exclude = empty( $_POST['easyio_ll_exclude'] ) ? '' : sanitize_textarea_field( wp_unslash( $_POST['easyio_ll_exclude'] ) );
-            \update_site_option( 'easyio_ll_exclude', $this->exclude_paths_sanitize( $easyio_ll_exclude ) );
-            $easyio_ll_all_things = empty( $_POST['easyio_ll_all_things'] ) ? '' : sanitize_textarea_field( wp_unslash( $_POST['easyio_ll_all_things'] ) );
-            \update_site_option( 'easyio_ll_all_things', $easyio_ll_all_things );
-            $easyio_allow_multisite_override = empty( $_POST['easyio_allow_multisite_override'] ) ? false : true;
-            \update_site_option( 'easyio_allow_multisite_override', $easyio_allow_multisite_override );
-            $easyio_enable_help = empty( $_POST['easyio_enable_help'] ) ? false : true;
-            \update_site_option( 'easyio_enable_help', $easyio_enable_help );
-            \add_action( 'network_admin_notices', 'easyio_network_settings_saved' );
-        } elseif ( isset( $_POST['easyio_allow_multisite_override_active'] ) && \current_user_can( 'manage_network_options' ) && ! empty( $_REQUEST['_wpnonce'] ) && \wp_verify_nonce( sanitize_key( $_REQUEST['_wpnonce'] ), 'easyio_options-options' ) ) {
-            $this->debug_message( 'network-wide settings, single-site overriding' );
-            $easyio_allow_multisite_override = empty( $_POST['easyio_allow_multisite_override'] ) ? false : true;
-            \update_site_option( 'easyio_allow_multisite_override', $easyio_allow_multisite_override );
-            \add_action( 'network_admin_notices', 'easyio_network_settings_saved' );
-        } // End if().
-    }
-
-    /**
-     * Register all our options and sanitation functions.
-     */
-    public function register_settings() {
-        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
-        // Register all the common Easy IO settings.
-        \register_setting( 'easyio_options', 'easyio_debug', 'boolval' );
-        \register_setting( 'easyio_options', 'easyio_enable_help', 'boolval' );
-        \register_setting( 'easyio_options', 'exactdn_all_the_things', 'boolval' );
-        \register_setting( 'easyio_options', 'exactdn_lossy', 'boolval' );
-        \register_setting( 'easyio_options', 'exactdn_hidpi', 'boolval' );
-        \register_setting( 'easyio_options', 'exactdn_exclude', array( $this, 'exclude_paths_sanitize' ) );
-        \register_setting( 'easyio_options', 'easyio_add_missing_dims', 'boolval' );
-        \register_setting( 'easyio_options', 'easyio_lazy_load', 'boolval' );
-        \register_setting( 'easyio_options', 'easyio_ll_abovethefold', 'intval' );
-        \register_setting( 'easyio_options', 'easyio_use_lqip', 'boolval' );
-        \register_setting( 'easyio_options', 'easyio_use_dcip', 'boolval' );
-        \register_setting( 'easyio_options', 'easyio_ll_exclude', array( $this, 'exclude_paths_sanitize' ) );
-        \register_setting( 'easyio_options', 'easyio_ll_all_things', 'sanitize_textarea_field' );
-    }
-
-    /**
-     * Set some default option values.
-     */
-    public function set_defaults() {
-        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
-        // Set defaults for all options that need to be autoloaded.
-        \add_option( 'easyio_debug', false );
-        \add_option( 'easyio_metadata_remove', true );
-        \add_option( 'easyio_exactdn', false );
-        \add_option( 'easyio_plan_id', 0 );
-        \add_option( 'exactdn_all_the_things', false );
-        \add_option( 'exactdn_lossy', false );
-        \add_option( 'exactdn_hidpi', false );
-        \add_option( 'exactdn_exclude', '' );
-        \add_option( 'exactdn_sub_folder', false );
-        \add_option( 'exactdn_prevent_db_queries', true );
-        \add_option( 'exactdn_asset_domains', '' );
-        \add_option( 'easyio_add_missing_dims', false );
-        \add_option( 'easyio_lazy_load', false );
-        \add_option( 'easyio_use_lqip', false );
-        \add_option( 'easyio_use_dcip', false );
-        \add_option( 'easyio_use_siip', false );
-        \add_option( 'easyio_ll_autoscale', true );
-        \add_option( 'easyio_ll_abovethefold', 0 );
-        \add_option( 'easyio_ll_exclude', '' );
-        \add_option( 'easyio_ll_all_things', '' );
-
-        // Set network defaults.
-        \add_site_option( 'easyio_metadata_remove', true );
-        \add_site_option( 'easyio_add_missing_dims', true );
-        \add_site_option( 'easyio_ll_autoscale', true );
-        \add_site_option( 'exactdn_sub_folder', false );
-        \add_site_option( 'exactdn_prevent_db_queries', true );
+        if ( ! \defined( 'WP_CLI' ) || ! WP_CLI ) {
+            $this->privacy_policy_content();
+        }
+    }
+
+    /**
+     * Adds the Easy IO version to the useragent for http requests.
+     *
+     * @param string $useragent The current useragent used in http requests.
+     * @return string The useragent with the Easy IO version appended.
+     */
+    public function api_useragent( $useragent ) {
+        if ( ! \str_contains( $useragent, 'EIO' ) ) {
+            $useragent .= ' EIO/' . EASYIO_VERSION . ' ';
+        }
+        return $useragent;
+    }
+
+    /**
+     * Adds suggested privacy policy content for site admins.
+     *
+     * Note that this is just a suggestion, it should be customized for your site.
+     */
+    private function privacy_policy_content() {
+        if ( ! \function_exists( 'wp_add_privacy_policy_content' ) || ! \function_exists( 'wp_kses_post' ) ) {
+            return;
+        }
+        $content  = '<p class="privacy-policy-tutorial">';
+        $content .= \wp_kses_post( \__( 'Normally, this plugin does not process any information about your visitors. However, if you accept user-submitted images and display them on your site, you can use this language to keep your visitors informed.', 'easy-image-optimizer' ) ) . '</p>';
+        $content .= '<p>' . \wp_kses_post( \__( 'User-submitted images that are displayed on this site will be transmitted and stored on a global network of third-party servers (a CDN).', 'easy-image-optimizer' ) ) . '</p>';
+        \wp_add_privacy_policy_content( 'Easy Image Optimizer', $content );
+    }
+
+    /**
+     * Set default permissions for admin (configuration) and bulk operations.
+     *
+     * @param string $permissions A valid WP capability level.
+     * @return string Either the original value, unchanged, or the default capability level.
+     */
+    public function admin_permissions( $permissions ) {
+        if ( empty( $permissions ) ) {
+            return 'activate_plugins';
+        }
+        return $permissions;
+    }
+
+    /**
+     * Set default permissions for multisite/network admin (configuration) operations.
+     *
+     * @param string $permissions A valid WP capability level.
+     * @return string Either the original value, unchanged, or the default capability level.
+     */
+    public function superadmin_permissions( $permissions ) {
+        if ( empty( $permissions ) ) {
+            return 'manage_network_options';
+        }
+        return $permissions;
+    }
+
+    /**
+     * Check the current screen, used to temporarily enable debugging on settings page.
+     *
+     * @param object $screen Information about the page/screen currently being loaded.
+     */
+    public function current_screen( $screen ) {
+        if ( $this->get_option( 'easyio_debug' ) ) {
+            return;
+        }
+        if ( \str_contains( $screen->id, 'settings_page_easy-image-optimizer' ) ) {
+            return;
+        }
+        // Otherwise, we are somewhere else and should disable temp debugging.
+        Base::$debug_data = '';
+        Base::$temp_debug = false;
+    }
+
+    /**
+     * Let the user know they need to take action!
+     */
+    public function service_inactive_notice() {
+        ?>
+        <div id='easyio-inactive' class='notice notice-warning'>
+            <p>
+                <a href="<?php echo \esc_url( \admin_url( 'options-general.php?page=easy-image-optimizer-options' ) ); ?>">
+                    <?php \esc_html_e( 'Please visit the settings page to complete activation of the Easy Image Optimizer.', 'easy-image-optimizer' ); ?>
+                </a>
+            </p>
+        </div>
+        <?php
+    }
+
+    /**
+     * Let the user know they need to disable the WP Offload Media CNAME.
+     */
+    public function exactdn_as3cf_cname_active_notice() {
+        ?>
+        <div id="easyio-notice-exactdn-as3cf-cname-active" class="notice notice-error">
+            <p>
+                <?php \esc_html_e( 'Easy IO cannot optimize your images while using a custom domain (CNAME) in WP Offload Media. Please disable the custom domain in the WP Offload Media settings.', 'easy-image-optimizer' ); ?>
+            </p>
+        </div>
+        <?php
+    }
+
+    /**
+     * Let the user know the local domain appears to have changed from what Easy IO has recorded in the db.
+     */
+    public function exactdn_domain_mismatch_notice() {
+        global $exactdn;
+        if ( ! isset( $exactdn->upload_domain ) ) {
+            return;
+        }
+        $stored_local_domain = $this->get_option( 'easyio_exactdn_local_domain' );
+        if ( empty( $stored_local_domain ) ) {
+            return;
+        }
+        if ( ! \str_contains( $stored_local_domain, '.' ) ) {
+            $stored_local_domain = \base64_decode( $stored_local_domain );
+        }
+        ?>
+        <div id="easyio-notice-exactdn-domain-mismatch" class="notice notice-warning">
+            <p>
+                <?php
+                \printf(
+                    /* translators: 1: old domain name, 2: current domain name */
+                    \esc_html__( 'Easy IO detected that the Site URL has changed since the initial activation (previously %1$s, currently %2$s).', 'easy-image-optimizer' ),
+                    '<strong>' . \esc_html( $stored_local_domain ) . '</strong>',
+                    '<strong>' . \esc_html( $exactdn->upload_domain ) . '</strong>'
+                );
+                ?>
+                <br>
+                <?php
+                \printf(
+                    /* translators: %s: settings page */
+                    \esc_html__( 'Please visit the %s to refresh the Easy IO settings and verify activation status.', 'easy-image-optimizer' ),
+                    '<a href="' . \esc_url( \admin_url( 'options-general.php?page=easy-image-optimizer-options' ) ) . '">' . \esc_html__( 'settings page', 'easy-image-optimizer' ) . '</a>'
+                );
+                ?>
+            </p>
+        </div>
+        <?php
+    }
+
+    /**
+     * Inform the user of our beacon function so that they can opt-in.
+     */
+    public function hs_beacon_notice() {
+        $optin_url  = \wp_nonce_url( 'admin.php?action=eio_opt_into_hs_beacon', 'eio_beacon' );
+        $optout_url = \wp_nonce_url( 'admin.php?action=eio_opt_out_of_hs_beacon', 'eio_beacon' );
+        ?>
+        <div id="easyio-hs-beacon" class="notice notice-info">
+            <p>
+                <?php \esc_html_e( 'Enable the Easy IO support beacon, which gives you access to documentation and our support team right from your WordPress dashboard. To assist you more efficiently, we collect the current url, IP address, browser/device information, and debugging information.', 'easy-image-optimizer' ); ?><br>
+                <a href="<?php echo \esc_url( $optin_url ); ?>" class="button-secondary"><?php esc_html_e( 'Allow', 'easy-image-optimizer' ); ?></a>&nbsp;
+                <a href="<?php echo \esc_url( $optout_url ); ?>" class="button-secondary"><?php esc_html_e( 'Do not allow', 'easy-image-optimizer' ); ?></a>
+            </p>
+        </div>
+        <?php
+    }
+
+    /**
+     * Inform the user that we disabled SP AIO to prevent conflicts with ExactDN.
+     */
+    public function sp_conflict_notice() {
+        ?>
+        <div id='easyio-sp-conflict' class='notice notice-warning'>
+            <p>
+                <?php \esc_html_e( 'ShortPixel/Autoptimize image optimization has been disabled to prevent conflicts with Easy Image Optimizer).', 'easy-image-optimizer' ); ?>
+            </p>
+        </div>
+        <?php
     }
 
@@ -256 +437 @@
      * Tell the user to disable Hide my WP function that removes query strings.
      */
-    public function notice_hmwp_hide_version() {
+    public function hmwp_hide_version_notice() {
         ?>
         <div id='easy-image-optimizer-warning-hmwp-hide-version' class='notice notice-warning'>
             <p>
                 <?php \esc_html_e( 'Please enable the Random Static Number option in Hide My WP to ensure compatibility with Easy IO or disable the Hide Version option for best performance.', 'easy-image-optimizer' ); ?>
-                <?php \easyio_help_link( 'https://docs.ewww.io/article/50-exactdn-and-query-strings', '5a3d278a2c7d3a1943677b52' ); ?>
+                <?php $this->settings->help_link( 'https://docs.ewww.io/article/50-exactdn-and-query-strings', '5a3d278a2c7d3a1943677b52' ); ?>
             </p>
         </div>

easy-image-optimizer/tags/4.3.0/easy-image-optimizer.php

@@ -14 +14 @@
 Description: Easily speed up your website to better connect with your visitors. Properly compress and size/scale images. Includes lazy load and WebP auto-convert.
 Author: Exactly WWW
-Version: 4.2.1
+Version: 4.3.0
 Requires at least: 6.6
 Requires PHP: 8.1
@@ -25 +25 @@
 }
 
-// Check the PHP version.
-if ( ! defined( 'PHP_VERSION_ID' ) || PHP_VERSION_ID < 80100 ) {
-    add_action( 'network_admin_notices', 'easyio_unsupported_php' );
-    add_action( 'admin_notices', 'easyio_unsupported_php' );
-} elseif ( false === strpos( add_query_arg( '', '' ), 'easyio_disable=1' ) ) {
-    define( 'EASYIO_VERSION', 421 );
+if ( ! class_exists( 'EasyIO\Plugin' ) && ! str_contains( add_query_arg( '', '' ), 'easyio_disable=1' ) ) {
+    define( 'EASYIO_VERSION', 430 );
 
     /**
@@ -58 +54 @@
             if ( ! is_writable( WP_CONTENT_DIR ) || ! empty( $_ENV['PANTHEON_ENVIRONMENT'] ) ) {
                 $upload_dir = wp_get_upload_dir();
-                if ( false === strpos( $upload_dir['basedir'], '://' ) && is_writable( $upload_dir['basedir'] ) ) {
+                if ( ! str_contains( $upload_dir['basedir'], '://' ) && is_writable( $upload_dir['basedir'] ) ) {
                     $easyio_content_dir = trailingslashit( $upload_dir['basedir'] ) . trailingslashit( 'easyio' );
                 }
@@ -66 +62 @@
     }
 
-    /**
-     * All the 'unique' functions for the core Easy IO plugin.
-     */
-    require_once EASYIO_PLUGIN_PATH . 'unique.php';
     /**
      * All the base functions for our plugins.
@@ -88 +80 @@
     easyio();
 } // End if().
-
-if ( ! function_exists( 'easyio_unsupported_php' ) ) {
-    /**
-     * Display a notice that the PHP version is too old.
-     */
-    function easyio_unsupported_php() {
-        echo '<div id="easyio-warning-php" class="error"><p><a href="https://docs.ewww.io/article/55-upgrading-php" target="_blank" data-beacon-article="5ab2baa6042863478ea7c2ae">' . esc_html__( 'Easy Image Optimizer requires PHP 8.1 or greater. Newer versions of PHP are faster and more secure. If you are unsure how to upgrade to a supported version, ask your webhost for instructions.', 'easy-image-optimizer' ) . '</a></p></div>';
-    }
-}

easy-image-optimizer/tags/4.3.0/includes/eio.js

@@ -38 +38 @@
         });
     }
-    $('#easyio-general-settings').show();
-    $('li.easyio-general-nav').addClass('easyio-selected');
-    $('#easyio-support-settings').hide();
     $('.easyio-general-nav').click(function() {
         $('.easyio-tab-nav li').removeClass('easyio-selected');
@@ -59 +56 @@
         $('#easyio-hidden-submit').show();
     });
-    return false;
+    $('a#easyio-activate').on( 'click', function() {
+        $('a#easyio-activate').hide();
+        $('#easyio-activation-processing').show();
+        activateExactDNSite();
+        return false;
+    });
+    function activateExactDNSite() {
+        var easyio_post_action = 'easyio_activate';
+        var easyio_post_data = {
+            action: easyio_post_action,
+            _wpnonce: easyio_vars._wpnonce,
+        };
+        $.post(ajaxurl, easyio_post_data, function(response) {
+            try {
+                var easyio_response = JSON.parse(response);
+            } catch (err) {
+                $('#easyio-activation-processing').hide();
+                $('#easyio-activation-result').html(easyio_vars.invalid_response);
+                $('#easyio-activation-result').addClass('error');
+                $('#easyio-activation-result').show();
+                console.log( response );
+                return false;
+            }
+            if ( easyio_response.error ) {
+                $('#easyio-activation-processing').hide();
+                $('a#easyio-activate').show();
+                $('#easyio-activation-result').html(easyio_response.error);
+                $('#easyio-activation-result').addClass('error');
+                $('#easyio-activation-result').show();
+            } else if ( ! easyio_response.success ) {
+                $('#easyio-activation-processing').hide();
+                $('#easyio-activation-result').html(easyio_vars.invalid_response);
+                $('#easyio-activation-result').addClass('error');
+                $('#easyio-activation-result').show();
+                console.log( response );
+            } else {
+                $('#easyio-activation-processing').hide();
+                $('#easyio-status').html(easyio_response.success);
+                $('#exactdn_all_the_things').prop('checked', true);
+                $('#easyio_lazy_load').prop('checked', true);
+                $('#easyio_add_missing_dims').prop('disabled', false);
+                $('.easyio-settings-table').show();
+                $('#easyio-hidden-submit').show();
+                $('table.easyio-inactive').hide();
+            }
+        });
+        return false;
+    }
+    var easy_save_bar_width = $('#easyio-savings-fill').data('score');
+    $('#easyio-savings-fill').animate( {
+        width: easy_save_bar_width + '%',
+    }, 1000 );
+    var easy_bandwidth_bar_width = $('#easyio-bandwidth-fill').data('score');
+    if ( easy_bandwidth_bar_width == 100 ) {
+        $('#easyio-bandwidth-container .easyio-bar-fill').css('background-color', '#d63638');
+        $('#easyio-bandwidth-flex a').css('color', '#d63638');
+    }
+    $('#easyio-bandwidth-fill').animate( {
+        width: easy_bandwidth_bar_width + '%',
+    }, 1000 );
+    easyIORegisterStatsHandler();
+    function easyIORegisterStatsHandler() {
+        $('#easyio-show-stats').on('click', function(){
+            var site_id = $(this).attr('data-site-id');
+            var easyio_post_data = {
+                action: 'easyio_get_site_stats',
+                site_id: site_id,
+                _wpnonce: easyio_vars._wpnonce,
+            };      
+            var statsContainerID = 'exactdn-stats-modal-' + site_id;
+            var statsContainer = false;
+            var statsExist = document.getElementById(statsContainerID);
+            var closeIcon  = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 384 512"><path d="M342.6 150.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L192 210.7 86.6 105.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3L146.7 256 41.4 361.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0L192 301.3 297.4 406.6c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L237.3 256 342.6 150.6z"/></svg>';                   
+            if ( ! statsExist ) {
+                $('body').append('<div id="' + statsContainerID + '" style="display:none;" class="exactdn-stats-modal"><div class="exactdn-stats-modal-close">' + closeIcon + '</div><div class="exactdn-stats-modal-charts"></div><img class="exactdn-loading-image" style="display:block;margin-left: auto;margin-right:auto;width:20px;" src="' + easyio_vars.loading_image_url + '" /></div>');
+                statsContainer = $('#' + statsContainerID);
+                $(statsContainer).on('click', '.exactdn-stats-modal-close', function() {
+                    $('.exactdn-stats-modal').hide();
+                    document.body.classList.toggle('exactdn-body-unscroll');
+                });
+                                
+                $.post(ajaxurl, easyio_post_data, function(response) {
+                    //console.log( response );
+                    var is_json = true;
+                    try {
+                        var easyio_response = $.parseJSON(response);
+                    } catch (err) {
+                        is_json = false;
+                    }
+                    if ( ! is_json ) {
+                        statsContainer.children('.exactdn-stats-modal-charts').html(easyio_vars.invalid_response);
+                        $('.exactdn-loading-image').hide();
+                        console.log(response);
+                    } else if (easyio_response.error) {
+                        statsContainer.children('.exactdn-stats-modal-charts').html('<strong>Error (contact support if necessary):</strong> ' + easyio_response.error);
+                        $('.exactdn-loading-image').hide();
+                    } else if (easyio_response.html) {
+                        statsContainer.children('.exactdn-stats-modal-charts').html(easyio_response.html);
+                        if (easyio_response.pending) {
+                            console.log('need to fetch more stats, request pending');
+                            setTimeout(fetchExtraStats, 10000, site_id);
+                        } else {
+                            $('.exactdn-loading-image').hide();
+                        }
+                    } else {
+                        statsContainer.children('.exactdn-stats-modal-charts').html(easyio_vars.invalid_response);
+                        $('.exactdn-loading-image').hide();
+                        console.log(response);
+                    }
+                })
+                .fail(function() {
+                    statsContainer.children('.exactdn-stats-modal-charts').html(easyio_vars.invalid_response);
+                    $('.exactdn-loading-image').hide();
+                });
+            } else {
+                statsContainer = $('#' + statsContainerID);
+            }
+            statsContainer.show();
+            document.body.classList.toggle('exactdn-body-unscroll');
+            return false;
+        });
+    }
+    var extraStatsRequests = 0;
+    function fetchExtraStats(site_id) {
+        var easyio_post_data = {
+            action: 'easyio_get_site_stats',
+            site_id: site_id,
+            require_extra: 1,
+            _wpnonce: easyio_vars._wpnonce,
+        };
+        var statsContainerID = 'exactdn-stats-modal-' + site_id;
+        var statsContainer = false;
+        var statsExist = document.getElementById(statsContainerID);
+        if ( ! statsExist ) {
+            console.log('no container for site #' + site_id);
+            return;
+        }
+        statsContainer = $('#' + statsContainerID);
+        if ( extraStatsRequests > 11 ) { // Roughly 2 minutes of waiting.
+            $('.exactdn-loading-image').hide();
+            statsContainer.find('.exactdn-stats-pending').text(easyio_vars.easyio_extra_stats_failed);
+            return;
+        }
+        $.post(ajaxurl, easyio_post_data, function(response) {
+            extraStatsRequests++;
+            var is_json = true;
+            try {
+                var easyio_response = $.parseJSON(response);
+            } catch (err) {
+                is_json = false;
+            }
+            if ( ! is_json ) {
+                console.log(response);
+                setTimeout(fetchExtraStats, 10000, site_id);
+                return;
+            }
+            if (easyio_response.error) {
+                console.log(easyio_response.error);
+            } else if (easyio_response.html) {
+                $('.exactdn-loading-image').hide();
+                statsContainer.children('.exactdn-stats-modal-charts').html(easyio_response.html);
+                return;
+            }
+            setTimeout(fetchExtraStats, 10000, site_id);
+        });
+    }
 });
 function selectText(containerid) {

easy-image-optimizer/tags/4.3.0/includes/lazysizes-post.js

@@ -28 +28 @@
             if(e.detail.instance != lazySizes){return;}
 
-            var bg, bgWebP;
+            var bg, bgWebP,swisLazyId;
             if(!e.defaultPrevented) {
 
@@ -36 +36 @@
 
                 // handle data-back (so as not to conflict with the stock data-bg)
-                bg = e.target.getAttribute('data-back');
+                bg = e.target.dataset.back;
+                // Was getAttribute('data-back');
                 if (bg) {
-                        if(ewww_webp_supported) {
+                    if(ewww_webp_supported) {
                         console.log('checking for data-back-webp');
-                        bgWebP = e.target.getAttribute('data-back-webp');
+                        bgWebP = e.target.dataset.backWebp;
+                        // Was bgWebP = e.target.getAttribute('data-back-webp');
                         if (bgWebP) {
                             console.log('replacing data-back with data-back-webp');
@@ -46 +48 @@
                         }
                     }
-                    var dPR = getdPR();
-                    var targetWidth  = Math.round(e.target.offsetWidth * dPR);
-                    var targetHeight = Math.round(e.target.offsetHeight * dPR);
-                    if ( 0 === bg.search(/\[/) ) {
-                    } else if (!shouldAutoScale(e.target)){
-                    } else if (lazySizes.hC(e.target,'wp-block-cover')) {
-                        console.log('found wp-block-cover with data-back');
-                        if (lazySizes.hC(e.target,'has-parallax')) {
-                            console.log('also has-parallax with data-back');
-                            targetWidth  = Math.round(window.screen.width * dPR);
-                            targetHeight = Math.round(window.screen.height * dPR);
-                        } else if (targetHeight<300) {
-                            targetHeight = 430;
-                        }
-                        bg = constrainSrc(bg,targetWidth,targetHeight,'bg-cover');
-                    } else if (lazySizes.hC(e.target,'cover-image')){
-                        console.log('found .cover-image with data-back');
-                        bg = constrainSrc(bg,targetWidth,targetHeight,'bg-cover');
-                    } else if (lazySizes.hC(e.target,'elementor-bg')){
-                        console.log('found elementor-bg with data-back');
-                        bg = constrainSrc(bg,targetWidth,targetHeight,'bg-cover');
-                    } else if (lazySizes.hC(e.target,'et_parallax_bg')){
-                        console.log('found et_parallax_bg with data-back');
-                        bg = constrainSrc(bg,targetWidth,targetHeight,'bg-cover');
-                    } else if (lazySizes.hC(e.target,'bg-image-crop')){
-                        console.log('found bg-image-crop with data-back');
-                        bg = constrainSrc(bg,targetWidth,targetHeight,'bg-cover');
-                    } else {
-                        console.log('found other data-back');
-                        bg = constrainSrc(bg,targetWidth,targetHeight,'bg');
-                    }
+                    bg = constrainBg(bg,e.target);
                     if ( e.target.style.backgroundImage && -1 === e.target.style.backgroundImage.search(/^initial/) ) {
                         // Convert JSON for multiple URLs.
@@ -114 +86 @@
                     }
                 }
+                // Handle CSS images from SWIS.
+                swisLazyId = e.target.dataset.swisLazyId;
+                if (swisLazyId && swisLazyId in swis_lazy_css_images) {
+                    console.log('fetching CSS images for swisLazyId ' + swisLazyId);
+                    var css_images = swis_lazy_css_images[swisLazyId];
+                    var swisStyle  = document.querySelector('style#swis-lazy-css-styles');
+                    css_images.forEach(
+                        function(css_image){
+                            if (!css_image.url) {
+                                return;
+                            }
+                            if(ewww_webp_supported && css_image.webp_url) {
+                                console.log('webp supported, using webp url for css image');
+                                css_image.url = css_image.webp_url;
+                            }
+                            css_image.url = constrainBg(css_image.url,e.target);
+                            console.log('processing CSS image: ' + css_image.url + ' with hash ' + css_image.hash);
+                            var cssRule = css_image.selector + ' {--swis-bg-' + css_image.hash + ': url(' + css_image.url + '); }';
+                            swisStyle.sheet.insertRule(cssRule);
+                        }
+                    );
+                }
             }
         }, false);
     }
+
+    var constrainBg = function(bg,target){
+        if ( 0 === bg.search(/\[/) ) {
+            console.log('multiple URLs, not autoscaling background image');
+            return bg;
+        }
+        if (!shouldAutoScale(target)){
+            console.log('not autoscaling background image');
+            return bg;
+        }
+        var dPR = getdPR();
+        if ( dPR < eio_lazy_vars.bg_min_dpr ) {
+            dPR = eio_lazy_vars.bg_min_dpr;
+        }
+        var targetWidth  = Math.round(target.offsetWidth * dPR);
+        var targetHeight = Math.round(target.offsetHeight * dPR);
+        var bgType       = 'bg';
+        if (lazySizes.hC(target,'wp-block-cover')||lazySizes.hC(target,'wp-block-cover__image-background')){
+            console.log('found wp-block-cover with data-back');
+            if (lazySizes.hC(target,'has-parallax')) {
+                console.log('also has-parallax with data-back');
+                targetWidth  = Math.round(window.screen.width * dPR);
+                targetHeight = Math.round(window.screen.height * dPR);
+            } else if (targetHeight<300) {
+                targetHeight = 430;
+            }
+            bgType = 'bg-cover';
+        } else if (lazySizes.hC(target,'cover-image')){
+            console.log('found .cover-image with data-back');
+            bgType = 'bg-cover';
+        } else if (lazySizes.hC(target,'elementor-bg')){
+            console.log('found elementor-bg with data-back');
+            bgType = 'bg-cover';
+        } else if (lazySizes.hC(target,'et_parallax_bg')){
+            console.log('found et_parallax_bg with data-back');
+            bgType = 'bg-cover';
+        } else if (lazySizes.hC(target,'bg-image-crop')){
+            bgType = 'bg-cover';
+            console.log('found bg-image-crop with data-back');
+        } else {
+            console.log('found other data-back');
+        }
+        var imgAspect = getAspectRatio(target);
+        if ('bg' == bgType && targetHeight > 1 && targetWidth > 1 && imgAspect > 0) {
+            var minimum_width  = Math.ceil(targetHeight * imgAspect);
+            var minimum_height = Math.ceil(targetWidth / imgAspect);
+            console.log('minimum_width = ' + minimum_width + ', targetWidth = ' + targetWidth);
+            console.log('minimum_height = ' + minimum_height + ', targetHeight = ' + targetHeight);
+            if (targetWidth+2 < minimum_width) {
+                targetWidth = minimum_width;
+            }
+            if (targetHeight+2 < minimum_height) {
+                targetHeight = minimum_height;
+            }
+            var realDims = getRealDimensionsFromImg(target);
+            if (Math.abs(realDims.w - targetWidth) < 5 || Math.abs(realDims.h - targetHeight) < 5) {
+                console.log('real dimensions within 5px of target sizes, no scaling');
+                return bg;
+            }
+        }
+        bg = constrainSrc(bg,targetWidth,targetHeight,bgType);
+        return bg;
+    };
 
     var shouldAutoScale = function(target){
@@ -294 +351 @@
 
     var getRealDimensionsFromImg = function(img){
-        var realWidth = img.getAttribute('data-eio-rwidth');
-        var realHeight = img.getAttribute('data-eio-rheight');
+        var realWidth = img.dataset.eioRwidth;
+        var realHeight = img.dataset.eioRheight;
         if (realWidth > 1 && realHeight > 1) {
             return {w:realWidth,h:realHeight};
@@ -411 +468 @@
         }
         if (e.target._lazysizesWidth === undefined) {
+            if (!eio_lazy_vars.use_dpr && window.devicePixelRatio > 1) {
+                console.log('use_dpr is disabled, reversing auto-sizes by dpr ' + window.devicePixelRatio);
+                e.detail.width = Math.ceil(e.detail.width / window.devicePixelRatio);
+            }
             return;
         }
@@ -417 +478 @@
             console.log('no way! ' + e.detail.width + ' is smaller than ' + e.target._lazysizesWidth);
             e.detail.width = e.target._lazysizesWidth;
+        }
+        if (!eio_lazy_vars.use_dpr && window.devicePixelRatio > 1) {
+            console.log('use_dpr is disabled, reversing auto-sizes by dpr ' + window.devicePixelRatio);
+            e.detail.width = Math.ceil(e.detail.width / window.devicePixelRatio);
         }
     });

easy-image-optimizer/tags/4.3.0/includes/lazysizes-pre.js

@@ -1 +1 @@
 if (typeof ewww_webp_supported === 'undefined') {
     var ewww_webp_supported = false;
+}
+if (typeof swis_lazy_css_images === 'undefined') {
+    var swis_lazy_css_images = {};
 }
 window.lazySizesConfig = window.lazySizesConfig || {};
@@ -18 +21 @@
 }
 console.log( 'root margin: ' + window.lazySizesConfig.expand );
+for ( const [css_index, css_image] of Object.entries(swis_lazy_css_images)){
+    console.log('processing css image ' + css_index + ': ' + css_image[0].url);
+    try {
+        document.querySelectorAll(css_image[0].selector).forEach((el) => {
+            if (!el.classList.contains('lazyload')) {
+                console.log('adding lazyload to css image ' + css_index + ': ' + css_image[0].url);
+                el.classList.add('lazyload');
+                el.dataset.swisLazyId = css_index;
+                if (css_image[0].rwidth > 5 && css_image[0].rheight > 5) {
+                    el.dataset.eioRwidth = css_image[0].rwidth;
+                    el.dataset.eioRheight = css_image[0].rheight;
+                }
+            }
+        });
+    } catch (e) {
+        console.log('error processing css image(s) for "' + css_index[0].selector + '": ' + e);
+    }
+}

easy-image-optimizer/tags/4.3.0/includes/lazysizes.min.js

@@ -1 @@
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r,n,s;if(e._lazysizesWidth=i,e.setAttribute("sizes",i+="px"),w.test(t.nodeName||""))for(n=0,s=(r=t.getElementsByTagName("source")).length;n<s;n++)r[n].setAttribute("sizes",i);a.detail.dataAttr||m(e,a.detail)}),{_:function(){be=f.getElementsByClassName(g.autosizesClass),e("resize",_e)},checkElems:_e=R(function(){var e,t=be.length;if(t)for(e=0;e<t;e++)Ae(be[e])}),updateElem:Ae});function Ae(e,t,a){var i=e.parentNode;i&&(a=N(e,i,a),(t=x(e,"lazybeforesizes",{width:a,dataAttr:!!t})).defaultPrevented||(a=t.detail.width)&&a!==e._lazysizesWidth&&we(e,i,t,a))}function Ee(){!Ee.i&&f.getElementsByClassName&&(Ee.i=!0,Ce._(),fe._())}return v(function(){g.init&&Ee()}),h={cfg:g,autoSizer:Ce,loader:fe,init:Ee,uP:m,aC:c,rC:u,hC:E,fire:x,gW:N,rAF:S}});

easy-image-optimizer/tags/4.3.0/phpcs.ruleset.xml

@@ -32 +32 @@
             <element value="imgQuality"/>
             <element value="parentNode"/>
+            <element value="nodeName"/>
             <element value="nextSibling"/>
             <element value="documentElement"/>

easy-image-optimizer/tags/4.3.0/readme.txt

@@ -2 +2 @@
 Contributors: nosilver4u
 Tags: image, resize, webp, lazy load, compress
-Tested up to: 6.8
-Stable tag: 4.2.1
+Tested up to: 6.9
+Stable tag: 4.3.0
 License: GPLv3
 
@@ -56 +56 @@
 * If you would like to help translate this plugin in your language, get started here: https://translate.wordpress.org/projects/wp-plugins/easy-image-optimizer/
 
+= 4.3.0 =
+*Release Date - November 18, 2025*
+
+* added: Lazy Load support for background images in external CSS files
+* added: View CDN bandwidth usage on settings page
+* changed: Lazy Load checks parent element for skip-lazy class
+* changed: Lazy Load auto-sizing honors High DPI setting
+* changed: Easy IO fills in 450px wide image when responsive (srcset) images have a gap
+* improved: Lazy Load performance when searching for img elements
+* improved: Lazy Load placeholder generation is faster and works better with Safari
+* fixed: Lazy Load for iframes breaks WP Remote Users Sync plugin
+
 = 4.2.1 =
 *Release Date - August 26, 2025*

easy-image-optimizer/trunk/changelog.txt

@@ +1 @@
+= 4.3.0 =
+*Release Date - November 18, 2025*
+
+* added: Lazy Load support for background images in external CSS files
+* added: View CDN bandwidth usage on settings page
+* changed: Lazy Load checks parent element for skip-lazy class
+* changed: Lazy Load auto-sizing honors High DPI setting
+* changed: Easy IO fills in 450px wide image when responsive (srcset) images have a gap
+* improved: Lazy Load performance when searching for img elements
+* improved: Lazy Load placeholder generation is faster and works better with Safari
+* fixed: Lazy Load for iframes breaks WP Remote Users Sync plugin
+
 = 4.2.1 =
 *Release Date - August 26, 2025*

easy-image-optimizer/trunk/classes/class-base.php

@@ -327 +327 @@
             if ( $this->is_iterable( $potential_logs ) ) {
                 foreach ( $potential_logs as $potential_log ) {
-                    if ( $this->str_ends_with( $potential_log, '.log' ) && false !== strpos( $potential_log, strtolower( __NAMESPACE__ ) . '-debug-' ) && is_file( $this->content_dir . $potential_log ) ) {
+                    if ( \str_ends_with( $potential_log, '.log' ) && false !== strpos( $potential_log, strtolower( __NAMESPACE__ ) . '-debug-' ) && is_file( $this->content_dir . $potential_log ) ) {
                         return $this->content_dir . $potential_log;
                     }
@@ -1349 +1349 @@
 
     /**
-     * Performs a case-sensitive check indicating if
-     * the haystack ends with needle.
-     *
-     * @param string $haystack The string to search in.
-     * @param string $needle   The substring to search for in the `$haystack`.
-     * @return bool True if `$haystack` ends with `$needle`, otherwise false.
-     */
-    public function str_ends_with( $haystack, $needle ) {
-        if ( '' === $haystack && '' !== $needle ) {
-            return false;
-        }
-
-        $len = \strlen( $needle );
-
-        return 0 === \substr_compare( $haystack, $needle, -$len, $len );
+     * Wrapper around size_format to remove the decimal from sizes in bytes.
+     *
+     * @param int $size A filesize in bytes.
+     * @param int $precision Number of places after the decimal separator.
+     * @return string Human-readable filesize.
+     */
+    public function size_format( $size, $precision = 1 ) {
+            // Convert it to human readable format.
+            $size_str = \size_format( $size, $precision );
+            // Remove spaces and extra decimals when measurement is in bytes.
+            return \preg_replace( '/\.0+ B ?/', ' B', $size_str );
     }
 
@@ -1633 +1629 @@
             return false;
         }
-        if ( 0 === \strpos( $url, '//' ) ) {
+        if ( \str_starts_with( $url, '//' ) ) {
             $url = ( \is_ssl() ? 'https:' : 'http:' ) . $url;
         }
-        if ( false === \strpos( $url, 'http' ) && '/' !== \substr( $url, 0, 1 ) ) {
+        if ( ! \str_starts_with( $url, 'http' ) && ! \str_starts_with( $url, '/' ) && ! \str_starts_with( $url, '.' ) ) {
             $url = ( \is_ssl() ? 'https://' : 'http://' ) . $url;
         }

easy-image-optimizer/trunk/classes/class-exactdn.php

@@ -65 +65 @@
      */
     public $full_width = false;
+
+    /**
+     * Indicates the local domain has changed, and Easy IO should be re-initialized.
+     *
+     * @access public
+     * @var bool $domain_mismatch
+     */
+    public $domain_mismatch = false;
 
     /**
@@ -399 +407 @@
         \add_filter( 'autoptimize_filter_cssjs_multidomain', array( $this, 'add_cdn_domain' ) );
 
-        if ( $this->is_as3cf_cname_active() ) {
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_as3cf_cname_active' );
-            return;
-        }
+        \add_action( 'admin_notices', array( $this, 'admin_notices' ) );
 
         $upload_url_parts = $this->parse_url( $this->site_url );
@@ -414 +419 @@
             $this->set_exactdn_option( 'local_domain', \base64_encode( $this->upload_domain ) );
             $stored_local_domain = $this->upload_domain;
-        } elseif ( false !== \strpos( $stored_local_domain, '.' ) ) {
+        } elseif ( \str_contains( $stored_local_domain, '.' ) ) {
             $this->set_exactdn_option( 'local_domain', \base64_encode( $stored_local_domain ) );
-        } else {
-            $stored_local_domain = \base64_decode( $stored_local_domain );
-        }
-        $this->debug_message( "saved domain is $stored_local_domain" );
+        }
+        $this->debug_message( "saved (local) domain is $stored_local_domain" );
 
         $this->debug_message( "allowing images from here: $this->upload_domain" );
@@ -433 +436 @@
             $this->debug_message( "removing this from urls: $this->remove_path" );
         }
-        if (
-            $stored_local_domain !== $this->upload_domain &&
-            ! $this->allow_image_domain( $stored_local_domain ) &&
-            \is_admin()
-        ) {
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_domain_mismatch' );
-        }
         $this->allowed_domains[] = $this->exactdn_domain;
         $this->allowed_domains   = \apply_filters( 'exactdn_allowed_domains', $this->allowed_domains );
@@ -500 +496 @@
      */
     public function cron_setup( $schedule = true ) {
-        $this->debug_message( '<b>' . __FUNCTION__ . '()</b>' );
+        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
         $event = 'easyio_verification_checkin';
         // Setup scheduled optimization if the user has enabled it, and it isn't already scheduled.
@@ -530 +526 @@
 
     /**
+     * Sends the useragent through filters for http requests to the EWWW IO API.
+     *
+     * @param string $useragent The current useragent used in http requests.
+     * @return string The filtered useragent.
+     */
+    public function api_useragent( $useragent ) {
+        return apply_filters( 'exactdn_api_request_useragent', $useragent );
+    }
+
+    /**
      * Use the Site URL to get the zone domain.
      */
@@ -538 +544 @@
             global $exactdn_activate_error;
             $exactdn_activate_error = 'as3cf_cname_active';
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_as3cf_cname_active' );
             return false;
         }
@@ -548 +553 @@
             $url = \set_url_scheme( $url, 'https' );
         }
-        \add_filter( 'http_headers_useragent', $this->prefix . 'cloud_useragent', PHP_INT_MAX );
+        \add_filter( 'http_headers_useragent', array( $this, 'api_useragent' ), PHP_INT_MAX );
         $result = \wp_remote_post(
             $url,
@@ -564 +569 @@
             global $exactdn_activate_error;
             $exactdn_activate_error = $error_message;
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
             return false;
         } elseif ( ! empty( $result['body'] ) && \strpos( $result['body'], 'domain' ) !== false ) {
@@ -583 +587 @@
                 if ( \get_option( 'exactdn_never_been_active' ) ) {
                     $this->set_option( $this->prefix . 'lazy_load', true );
-                    $this->set_option( 'exactdn_lossy', true );
                     $this->set_option( 'exactdn_all_the_things', true );
                     \delete_option( 'exactdn_never_been_active' );
@@ -598 +601 @@
             global $exactdn_activate_error;
             $exactdn_activate_error = $error_message;
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
             return false;
         }
@@ -649 +651 @@
             $test_url     = \str_replace( $local_domain, $domain, $test_url );
             $this->debug_message( "test url is $test_url" );
-            \add_filter( 'http_headers_useragent', $this->prefix . 'cloud_useragent', PHP_INT_MAX );
+            \add_filter( 'http_headers_useragent', array( $this, 'api_useragent' ), PHP_INT_MAX );
             $test_result = \wp_remote_post(
                 $api_url,
@@ -665 +667 @@
                 $this->debug_message( "exactdn (1) verification request failed: $error_message" );
                 $exactdn_activate_error = $error_message;
-                \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
                 return false;
-            } elseif ( ! empty( $test_result['body'] ) && false === \strpos( $test_result['body'], 'error' ) ) {
+            } elseif ( ! empty( $test_result['body'] ) && ! \str_contains( $test_result['body'], 'error' ) ) {
                 $response = \json_decode( $test_result['body'], true );
                 if ( ! empty( $response['success'] ) ) {
@@ -677 +678 @@
                         $this->asset_domains = $response['asset_domains'];
                     }
-                    \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_success' );
                     return true;
                 }
@@ -689 +689 @@
                     \delete_site_option( $this->prefix . 'exactdn_domain' );
                 }
-                \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
                 return false;
             }
@@ -695 +694 @@
                 $this->debug_message( 'received response code: ' . $test_result['response']['code'] );
             }
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
             return false;
         }
 
         // Secondary test against the API db.
-        \add_filter( 'http_headers_useragent', $this->prefix . 'cloud_useragent', PHP_INT_MAX );
+        \add_filter( 'http_headers_useragent', array( $this, 'api_useragent' ), PHP_INT_MAX );
         $result = \wp_remote_post(
             $api_url,
@@ -715 +713 @@
             $this->debug_message( "exactdn verification request failed: $error_message" );
             $exactdn_activate_error = $error_message;
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
             return false;
-        } elseif ( ! empty( $result['body'] ) && false === \strpos( $result['body'], 'error' ) ) {
+        } elseif ( ! empty( $result['body'] ) && ! \str_contains( $result['body'], 'error' ) ) {
             $response = \json_decode( $result['body'], true );
             if ( ! empty( $response['success'] ) ) {
@@ -730 +727 @@
                 $this->debug_message( 'exactdn verification via API succeeded' );
                 $this->set_exactdn_option( 'verified', 1, false );
-                if ( empty( $last_checkin ) ) {
-                    \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_success' );
-                }
                 return true;
             }
@@ -744 +738 @@
                 \delete_site_option( $this->prefix . 'exactdn_domain' );
             }
-            \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
             return false;
         }
@@ -750 +743 @@
             $this->debug_message( 'received response code: ' . $result['response']['code'] );
         }
-        \add_action( 'admin_notices', $this->prefix . 'notice_exactdn_activation_error' );
         return false;
     }
@@ -762 +754 @@
             // Prelim test with a known valid image to ensure http(s) connectivity.
             $sim_url = 'https://optimize.exactdn.com/exactdn/testorig.jpg';
-            \add_filter( 'http_headers_useragent', $this->prefix . 'cloud_useragent', PHP_INT_MAX );
+            \add_filter( 'http_headers_useragent', array( $this, 'api_useragent' ), PHP_INT_MAX );
             $sim_result = \wp_remote_get( $sim_url );
             if ( \is_wp_error( $sim_result ) ) {
@@ -900 +892 @@
         }
         return \update_option( $this->prefix . 'exactdn_' . $option_name, $option_value, $autoload );
+    }
+
+    /**
+     * Check for conditions that need to trigger an admin notice (action).
+     */
+    public function admin_notices() {
+        if ( $this->is_as3cf_cname_active() ) {
+            \do_action( 'exactdn_as3cf_cname_active' );
+        }
+        $stored_local_domain = $this->get_exactdn_option( 'local_domain' );
+        $stored_local_domain = \base64_decode( $stored_local_domain );
+        if (
+            $stored_local_domain !== $this->upload_domain &&
+            ! $this->allow_image_domain( $stored_local_domain )
+        ) {
+            $this->domain_mismatch = true;
+            \do_action( 'exactdn_domain_mismatch' );
+        }
     }
 
@@ -2952 +2962 @@
          * @param array|bool $multipliers Array of multipliers to use or false to bypass.
          */
-        $multipliers = \apply_filters( 'exactdn_srcset_multipliers', array( .2, .4, .6, .8, 1 ) );
+        $multipliers = \apply_filters( 'exactdn_srcset_multipliers', array( .2, .4, .6, .8, 1, 450 ) );
 
         if ( empty( $url ) || empty( $multipliers ) ) {
@@ -3039 +3049 @@
 
                 $newwidth = \intval( $base * $multiplier );
-                if ( 1920 === (int) $multiplier ) {
-                    $newwidth = 1920;
-                    if ( ! $w_descriptor || 1920 >= $reqwidth || 'soft' !== $crop ) {
+                if ( $multiplier > 50 ) { // Not a true multiplier, but a hard-coded width.
+                    $newwidth = $multiplier;
+                    if ( ! $w_descriptor || $multiplier >= $reqwidth || 'soft' !== $crop ) {
                         $this->debug_message( "skipping $multiplier due to no w descriptor, larger than $reqwidth, or $crop !== soft" );
                         continue;
@@ -3150 +3160 @@
          * @param array|bool $multipliers Array of multipliers to use or false to bypass.
          */
-        $multipliers = \apply_filters( 'exactdn_srcset_multipliers', array( .2, .4, .6, .8, 1 ) );
+        $multipliers = \apply_filters( 'exactdn_srcset_multipliers', array( .2, .4, .6, .8, 1, 450 ) );
         /**
          * Filter the width ExactDN will use to create srcset attribute.
@@ -3175 +3185 @@
             foreach ( $multipliers as $multiplier ) {
                 $newwidth = \intval( $width * $multiplier );
-                if ( 1920 === (int) $multiplier ) {
+                if ( $multiplier > 50 ) { // Not a true multiplier, but a hard-coded width.
                     if ( $multiplier >= $width ) {
                         continue;
                     }
-                    $newwidth = 1920;
+                    $newwidth = $multiplier;
                 }
                 if ( $newwidth < 50 ) {
@@ -3569 +3579 @@
         if ( $this->get_option( 'exactdn_hidpi' ) ) {
             $this->debug_message( 'adding hidpi multipliers' );
-            return array( .2, .4, .6, .8, 1, 2, 3, 1920 );
+            $multipliers[] = 2;
+            $multipliers[] = 3;
+            $multipliers[] = 1920;
         }
         return $multipliers;
@@ -4317 +4329 @@
 
         $more_args = array();
-        if ( false === \strpos( $image_url, 'strip=all' ) && $this->get_option( $this->prefix . 'metadata_remove' ) ) {
+        if ( ! \str_contains( $image_url, 'strip=all' ) && $this->get_option( $this->prefix . 'metadata_remove' ) ) {
             $more_args['strip'] = 'all';
         }
@@ -4325 +4337 @@
         } elseif ( isset( $args['lossy'] ) && false !== \strpos( $image_url, 'lossy=0' ) ) {
             unset( $args['lossy'] );
-        } elseif ( false === \strpos( $image_url, 'lossy=' ) && ! $this->get_option( 'exactdn_lossy' ) ) {
-            $more_args['lossy'] = 0;
-        } elseif ( false === \strpos( $image_url, 'lossy=' ) && $this->get_option( 'exactdn_lossy' ) ) {
-            $more_args['lossy'] = \is_numeric( $this->get_option( 'exactdn_lossy' ) ) ? (int) $this->get_option( 'exactdn_lossy' ) : 1;
         }
         if ( false === \strpos( $image_url, 'quality=' ) && ! \is_null( $jpg_quality ) && 82 !== (int) $jpg_quality ) {
@@ -4376 +4384 @@
 
         if ( isset( $image_url_parts['scheme'] ) && 'https' === $image_url_parts['scheme'] ) {
-            if ( \is_array( $args ) && false === \strpos( $image_url, 'ssl=' ) ) {
-                $this->debug_message( 'adding ssl=1' );
-                $args['ssl'] = 1;
-            }
             $this->debug_message( 'setting scheme to https' );
             $scheme = 'https';
@@ -4397 +4401 @@
             foreach ( $args as $arg => $value ) {
                 if ( \is_array( $value ) ) {
-                    $args[ $arg ] = \implode( ',', $value );
+                    $value        = \implode( ',', $value );
+                    $args[ $arg ] = $value;
                 }
             }
@@ -4566 +4571 @@
             $url = \set_url_scheme( $url, 'https' );
         }
-        \add_filter( 'http_headers_useragent', $this->prefix . 'cloud_useragent', PHP_INT_MAX );
+        \add_filter( 'http_headers_useragent', array( $this, 'api_useragent' ), PHP_INT_MAX );
         $result = \wp_remote_post(
             $url,

easy-image-optimizer/trunk/classes/class-hs-beacon.php

@@ -101 +101 @@
             return;
         }
-        if ( \strpos( __FILE__, 'plugins/easy' ) ) {
-            \easyio_notice_beacon();
-        }
+        \do_action( strtolower( __NAMESPACE__ ) . '_beacon_notice' );
     }
 }

easy-image-optimizer/trunk/classes/class-lazy-load.php

@@ -96 +96 @@
 
     /**
+     * A list of image tags/sections where lazy loading should not be applied.
+     *
+     * @access private
+     * @var array $forbidden_blocks
+     */
+    private $forbidden_blocks = array();
+
+    /**
      * Request URI.
      *
@@ -101 +109 @@
      */
     public $request_uri = '';
+
+    /**
+     * DOM Document for parsing HTML.
+     *
+     * @var \DOMDocument $doc
+     */
+    private $doc;
+
+    /**
+     * List of img nodes from the DOMDocument.
+     *
+     * @var \DOMNodeList $img_nodes
+     */
+    private $img_nodes;
 
     /**
@@ -198 +220 @@
             \add_action( 'wp_enqueue_scripts', array( $this, 'min_script' ), 1 );
         }
+
+        // Allow other plugins to get the background image exclusions via filter.
+        \add_filter( 'eio_get_lazy_bg_image_exclusions', array( $this, 'get_bgimage_exclusions' ), 10 );
+
         $this->inline_script_attrs = (array) \apply_filters( 'ewwwio_inline_script_attrs', $this->inline_script_attrs );
         $this->validate_user_exclusions();
@@ -354 +380 @@
 
     /**
+     * Check if an img/iframe tag should be excluded because it falls within a forbidden block.
+     *
+     * @param string $tag The img or iframe tag to check.
+     * @param int    $position The position of the tag within the HTML.
+     * @return bool True if it is within a forbidden block, false otherwise.
+     */
+    private function is_in_forbidden_block( $tag, $position ) {
+        if ( empty( $tag ) || empty( $position ) ) {
+            return false;
+        }
+        if ( $this->is_iterable( $this->forbidden_blocks ) ) {
+            foreach ( $this->forbidden_blocks as $forbidden_block ) {
+                if ( empty( $forbidden_block[0] ) || empty( $forbidden_block[1] ) ) {
+                    continue;
+                }
+                $start = $forbidden_block[1];
+                $end   = $start + \strlen( $forbidden_block[0] );
+                if ( $position > $start && $position < $end ) {
+                    $this->debug_message( 'tag is within a forbidden block' );
+                    return true;
+                }
+            }
+        }
+    }
+
+    /**
      * Search for img elements and rewrite them for Lazy Load with fallback to noscript elements.
      *
@@ -391 +443 @@
         }
 
+        $started_time     = \microtime( true );
         $above_the_fold   = (int) \apply_filters( 'eio_lazy_fold', $this->get_option( $this->prefix . 'll_abovethefold' ) );
         $images_processed = 0;
         $replacements     = array();
 
-        // Clean the buffer of incompatible sections.
-        $search_buffer = \preg_replace( '/<div id="footer_photostream".*?\/div>/s', '', $buffer );
-        $search_buffer = \preg_replace( '/<(picture|noscript|script).*?\/\1>/s', '', $search_buffer );
-
-        $images = $this->get_images_from_html( $search_buffer, false );
+        // Find all incompatible sections, and store them with their offsets.
+        $this->forbidden_blocks = array();
+        \preg_match_all( '/<div id="footer_photostream".*?\/div>/s', $buffer, $forbidden_blocks, PREG_OFFSET_CAPTURE );
+        \preg_match_all( '/<(picture|noscript|script).*?\/\1>/s', $buffer, $more_forbidden_blocks, PREG_OFFSET_CAPTURE );
+        if ( ! empty( $forbidden_blocks[0] ) && ! empty( $more_forbidden_blocks[0] ) ) {
+            $forbidden_blocks[0] = \array_merge( $forbidden_blocks[0], $more_forbidden_blocks[0] );
+        } elseif ( ! empty( $more_forbidden_blocks[0] ) ) {
+            $forbidden_blocks = $more_forbidden_blocks;
+        }
+        $this->forbidden_blocks = ! empty( $forbidden_blocks[0] ) ? $forbidden_blocks[0] : array();
+
+        $this->doc = new \DOMDocument();
+        libxml_use_internal_errors( true );
+        $this->doc->loadHTML( $buffer );
+        libxml_clear_errors();
+        $this->img_nodes = $this->doc->getElementsByTagName( 'img' );
+
+        $images = $this->get_images_from_html( $buffer, false, true, PREG_OFFSET_CAPTURE );
         if ( ! empty( $images[0] ) && $this->is_iterable( $images[0] ) ) {
             foreach ( $images[0] as $index => $image ) {
-                $file = $images['img_url'][ $index ];
+                $file = $images['img_url'][ $index ][0];
                 $this->debug_message( "parsing an image: $file" );
-                if ( $this->validate_image_tag( $image ) ) {
+                if ( empty( $image[0] ) || empty( $image[1] ) ) {
+                    $this->debug_message( 'missing image tag or position' );
+                    continue;
+                }
+                $image_tag = $image[0];
+                $position  = $image[1];
+                if ( $this->is_in_forbidden_block( $image_tag, $position ) ) {
+                    continue;
+                }
+                if ( $this->validate_image_tag( $image_tag ) ) {
                     $this->debug_message( 'found a valid image tag' );
-                    $this->debug_message( "original image tag: $image" );
-                    $orig_img = $image;
-                    $ns_img   = $image;
-                    $image    = $this->parse_img_tag( $image, $file );
+                    $this->debug_message( "original image tag: $image_tag" );
+                    $orig_img  = $image_tag;
+                    $ns_img    = $image_tag;
+                    $image_tag = $this->parse_img_tag( $image_tag, $file );
                     $this->set_attribute( $ns_img, 'data-eio', 'l', true );
                     $noscript = '<noscript>' . $ns_img . '</noscript>';
-                    $position = \strpos( $buffer, $orig_img );
-                    if ( $position && $orig_img !== $image ) {
+                    if ( $position && $orig_img !== $image_tag ) {
+                        $this->debug_message( "lazified image at position $position" );
                         $replacements[ $position ] = array(
                             'orig' => $orig_img,
-                            'lazy' => $image . $noscript,
+                            'lazy' => $image_tag . $noscript,
                         );
                     }
-                    /* $buffer   = str_replace( $orig_img, $image . $noscript, $buffer ); */
                 }
             } // End foreach().
         } // End if().
+
         $element_types = \apply_filters( 'eio_allowed_background_image_elements', array( 'div', 'li', 'span', 'section', 'a' ) );
         foreach ( $element_types as $element_type ) {
@@ -435 +510 @@
             }
         }
+
         if ( \in_array( 'picture', $this->user_element_exclusions, true ) ) {
             $pictures = '';
         } else {
             // Images listed as picture/source elements. Mostly for NextGEN, but should work anywhere.
-            $pictures = $this->get_picture_tags_from_html( $buffer );
+            $pictures = $this->get_picture_tags_from_html( $buffer, PREG_OFFSET_CAPTURE );
         }
         if ( $this->is_iterable( $pictures ) ) {
             foreach ( $pictures as $index => $picture ) {
-                if ( ! $this->validate_image_tag( $picture ) ) {
-                    continue;
-                }
-                $pimages = $this->get_images_from_html( $picture, false );
+                if ( empty( $picture[0] ) || empty( $picture[1] ) ) {
+                    $this->debug_message( 'missing picture tag or position' );
+                    continue;
+                }
+                $picture_tag = $picture[0];
+                $position    = $picture[1];
+                if ( ! $this->validate_image_tag( $picture_tag ) ) {
+                    continue;
+                }
+                $pimages = $this->get_images_from_html( $picture_tag, false );
                 if ( ! empty( $pimages[0] ) && $this->is_iterable( $pimages[0] ) && ! empty( $pimages[0][0] ) ) {
                     $image = $pimages[0][0];
@@ -458 +540 @@
                         $image    = $this->parse_img_tag( $image, $file );
                         $this->set_attribute( $ns_img, 'data-eio', 'l', true );
-                        $noscript = '<noscript>' . $ns_img . '</noscript>';
-                        $picture  = \str_replace( $orig_img, $image, $picture ) . $noscript;
+                        $noscript    = '<noscript>' . $ns_img . '</noscript>';
+                        $picture_tag = \str_replace( $orig_img, $image, $picture_tag ) . $noscript;
                     }
                 } else {
                     continue;
                 }
-                $sources = $this->get_elements_from_html( $picture, 'source' );
+                $sources = $this->get_elements_from_html( $picture_tag, 'source' );
                 if ( $this->is_iterable( $sources ) ) {
                     foreach ( $sources as $source ) {
@@ -477 +559 @@
                             $this->set_attribute( $lazy_source, 'data-srcset', $srcset );
                             $this->remove_attribute( $lazy_source, 'srcset' );
-                            $picture = \str_replace( $source, $lazy_source, $picture );
+                            $picture_tag = \str_replace( $source, $lazy_source, $picture_tag );
                         }
                     }
-                    $position = \strpos( $buffer, $pictures[ $index ] );
-                    if ( $position && $picture !== $pictures[ $index ] ) {
+                    if ( $position && $picture_tag !== $pictures[ $index ][0] ) {
                         $this->debug_message( 'lazified sources for picture element' );
                         $replacements[ $position ] = array(
-                            'orig' => $pictures[ $index ],
-                            'lazy' => $picture,
+                            'orig' => $pictures[ $index ][0],
+                            'lazy' => $picture_tag,
                         );
-                        /* $buffer = str_replace( $pictures[ $index ], $picture, $buffer ); */
-                    }
-                }
-            }
-        }
+                    }
+                }
+            }
+        }
+
         // Iframe elements, looking for stuff like YouTube embeds.
         if ( \in_array( 'iframe', $this->user_element_exclusions, true ) ) {
             $frames = '';
         } else {
-            $frames = $this->get_elements_from_html( $search_buffer, 'iframe' );
+            $frames = $this->get_elements_from_html( $buffer, 'iframe', PREG_OFFSET_CAPTURE );
         }
         if ( $this->is_iterable( $frames ) ) {
-            foreach ( $frames as $index => $frame ) {
+            foreach ( $frames as $index => $frame_data ) {
+                if ( empty( $frame_data[0] ) || empty( $frame_data[1] ) ) {
+                    $this->debug_message( 'missing iframe tag or position' );
+                    continue;
+                }
                 $this->debug_message( 'parsing an iframe element' );
+                $frame    = $frame_data[0];
+                $position = $frame_data[1];
+                if ( $this->is_in_forbidden_block( $frame, $position ) ) {
+                    continue;
+                }
                 $url = $this->get_attribute( $frame, 'src' );
                 if ( $url && 0 === \strpos( $url, 'http' ) && $this->validate_iframe_tag( $frame ) ) {
@@ -507 +597 @@
                     $this->remove_attribute( $frame, 'src' );
                     $this->set_attribute( $frame, 'class', \trim( $this->get_attribute( $frame, 'class' ) . ' lazyload' ), true );
-                    if ( $frame !== $frames[ $index ] ) {
-                        $buffer = \str_replace( $frames[ $index ], $frame, $buffer );
-                    }
-                }
-            }
-        }
+                    if ( $frame !== $frames[ $index ][0] ) {
+                        $buffer = \str_replace( $frames[ $index ][0], $frame, $buffer );
+                    }
+                }
+            }
+        }
+
         if ( $this->is_iterable( $replacements ) ) {
             \ksort( $replacements );
@@ -534 +625 @@
             }
         }
-        $this->debug_message( 'all done parsing page for lazy' );
+
+        $elapsed_time = \microtime( true ) - $started_time;
+        $this->debug_message( "all done parsing page for lazy in $elapsed_time seconds" );
         return $buffer;
     }
@@ -796 +889 @@
             return $replacements;
         }
-        $elements = $this->get_elements_from_html( \preg_replace( '/<(noscript|script).*?\/\1>/s', '', $buffer ), $tag_type );
+        $elements = $this->get_elements_from_html( $buffer, $tag_type, PREG_OFFSET_CAPTURE );
         if ( $this->is_iterable( $elements ) ) {
-            foreach ( $elements as $index => $element ) {
+            foreach ( $elements as $index => $element_data ) {
+                if ( empty( $element_data[0] ) || empty( $element_data[1] ) ) {
+                    $this->debug_message( 'missing element or position' );
+                    continue;
+                }
+                $element  = $element_data[0];
+                $position = $element_data[1];
+                if ( $this->is_in_forbidden_block( $element, $position ) ) {
+                    continue;
+                }
                 $this->debug_message( "parsing a $tag_type" );
-                if ( false === \strpos( $element, 'background:' ) && false === \strpos( $element, 'background-image:' ) ) {
+                if ( ! \str_contains( $element, 'background:' ) && ! \str_contains( $element, 'background-image:' ) ) {
                     $element = $this->lazify_element( $element );
-                    if ( $element !== $elements[ $index ] ) {
+                    if ( $element !== $elements[ $index ][0] ) {
                         $this->debug_message( "$tag_type lazified, replacing in html source" );
-                        $buffer = \str_replace( $elements[ $index ], $element, $buffer );
-                    }
-                    continue;
-                }
-                if ( false !== \strpos( $element, '--background' ) ) {
+                        $buffer = \str_replace( $elements[ $index ][0], $element, $buffer );
+                    }
+                    continue;
+                }
+                if ( \str_contains( $element, '--background' ) ) {
                     $this->set_attribute( $element, 'class', $this->get_attribute( $element, 'class' ) . ' lazyload', true );
-                    if ( $element !== $elements[ $index ] ) {
+                    if ( $element !== $elements[ $index ][0] ) {
                         $this->debug_message( "$tag_type with bg var lazified, replacing in html source" );
-                        $buffer = \str_replace( $elements[ $index ], $element, $buffer );
+                        $buffer = \str_replace( $elements[ $index ][0], $element, $buffer );
                     }
                     continue;
@@ -853 +955 @@
                             }
                         } elseif ( ! empty( $bg_image_urls[0] ) ) {
+                            list( $physical_width, $physical_height ) = $this->get_image_dimensions_by_url( $bg_image_urls[0] );
+                            $this->set_attribute( $element, 'data-back', $bg_image_urls[0] );
+                            if ( $physical_width && $physical_height ) {
+                                $this->set_attribute( $element, 'data-eio-rwidth', $physical_width, true );
+                                $this->set_attribute( $element, 'data-eio-rheight', $physical_height, true );
+                            }
                             $webp_image_url = \apply_filters( 'eio_image_url_to_webp', $bg_image_urls[0] );
-                            $this->set_attribute( $element, 'data-back', $bg_image_urls[0] );
                             if ( $webp_image_url && $webp_image_url !== $bg_image_urls[0] ) {
                                 $this->set_attribute( $element, 'data-back-webp', $webp_image_url );
@@ -862 +969 @@
                     }
                 }
-                $position = \strpos( $buffer, $elements[ $index ] );
-                if ( $position && $element !== $elements[ $index ] ) {
+                if ( $position && $element !== $elements[ $index ][0] ) {
                     $this->debug_message( "$tag_type modified, replacing in html source" );
                     $replacements[ $position ] = array(
-                        'orig' => $elements[ $index ],
+                        'orig' => $elements[ $index ][0],
                         'lazy' => $element,
                     );
-                    /* $buffer = str_replace( $elements[ $index ], $element, $buffer ); */
                 }
             }
@@ -1018 +1123 @@
 
     /**
+     * Normalize HTML for comparison.
+     *
+     * @param string $html The HTML to normalize.
+     * @return string The normalized HTML.
+     */
+    public function normalize_html( $html ) {
+        $html = str_replace( '&amp;', '&', $html );
+        $html = str_replace( '&#038;', '&', $html );
+        $html = str_replace( '%2C', ',', $html );
+        $html = str_replace( ' />', '>', $html );
+        $html = str_replace( "'", '"', $html );
+        $html = preg_replace( '/\s\s+/', ' ', $html );
+        $html = preg_replace( '/\s*=\s*/', '=', $html );
+        return $html;
+    }
+
+    /**
      * Checks if the tag is allowed to be lazy loaded.
      *
@@ -1056 +1178 @@
             }
         }
-
+        // Check for exclusions.
         $exclusions = \apply_filters(
             'eio_lazy_exclusions',
@@ -1089 +1211 @@
                 ),
                 $this->user_exclusions
-            ),
-            $image
+            )
         );
         foreach ( $exclusions as $exclusion ) {
@@ -1106 +1227 @@
             }
         }
+
+        foreach ( $this->img_nodes as $img_node ) {
+            $img_html = $this->doc->saveHTML( $img_node );
+            if ( defined( 'EIO_IMGNODE_DEBUG' ) && EIO_IMGNODE_DEBUG ) {
+                $this->debug_message( 'comparing to node value: ' . $this->normalize_html( $img_html ) . ' to ' . $this->normalize_html( $image ) );
+            }
+            // Normalize the HTML before comparing to avoid issues with different quote styles or spacing.
+            if ( $this->normalize_html( $img_html ) === $this->normalize_html( $image ) ) {
+                $parent = $img_node->parentNode;
+                if ( $parent && 'body' !== $parent->nodeName && $parent->hasAttributes() ) {
+                    $class = trim( $parent->getAttribute( 'class' ) );
+                    $this->debug_message( "Parent class: $class" );
+                    if ( str_contains( $class, 'skip-lazy' ) ) {
+                        $this->debug_message( "Skipping lazy load due to 'skip-lazy' class on parent" );
+                        return false;
+                    }
+                    if ( $parent->hasAttribute( 'data-skip-lazy' ) ) {
+                        $this->debug_message( "Skipping lazy load due to 'data-skip-lazy' attribute on parent" );
+                        return false;
+                    }
+                }
+            }
+        }
+
         return true;
     }
 
     /**
-     * Checks if a tag with a background image is allowed to be lazy loaded.
-     *
-     * @param string $tag The tag.
-     * @return bool True if the tag is allowed, false otherwise.
-     */
-    public function validate_bgimage_tag( $tag ) {
-        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
+     * Gets the exclusion list for lazy loading background images.
+     *
+     * @param array $exclusions The current list of exclusions. Optional.
+     * @return array The modified list of exclusions.
+     */
+    public function get_bgimage_exclusions( $exclusions = array() ) {
+        if ( ! \is_array( $exclusions ) ) {
+            $exclusions = array();
+        }
         $exclusions = \apply_filters(
             'eio_lazy_bg_image_exclusions',
@@ -1127 +1274 @@
                     'skip-lazy',
                     'avia-bg-style-fixed',
+                    'trustindex',
+                ),
+                $this->user_exclusions,
+                $exclusions
+            )
+        );
+        return $exclusions;
+    }
+
+    /**
+     * Checks if a tag with a background image is allowed to be lazy loaded.
+     *
+     * @param string $tag The tag.
+     * @return bool True if the tag is allowed, false otherwise.
+     */
+    public function validate_bgimage_tag( $tag ) {
+        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
+        $exclusions = $this->get_bgimage_exclusions( array() );
+        foreach ( $exclusions as $exclusion ) {
+            if ( false !== \strpos( $tag, $exclusion ) ) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Checks if an iframe tag is allowed to be lazy loaded.
+     *
+     * @param string $tag The tag.
+     * @return bool True if the tag is allowed, false otherwise.
+     */
+    public function validate_iframe_tag( $tag ) {
+        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
+        $exclusions = \apply_filters(
+            'eio_lazy_iframe_exclusions',
+            \array_merge(
+                array(
+                    'about:blank',
+                    'data-no-lazy=',
+                    'display:none',
+                    'display: none',
+                    'googletagmanager',
+                    'lazyload',
+                    'skip-lazy',
+                    'wprus/',
+                    'vimeo',
                 ),
                 $this->user_exclusions
@@ -1141 +1335 @@
 
     /**
-     * Checks if an iframe tag is allowed to be lazy loaded.
-     *
-     * @param string $tag The tag.
-     * @return bool True if the tag is allowed, false otherwise.
-     */
-    public function validate_iframe_tag( $tag ) {
-        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
-        $exclusions = \apply_filters(
-            'eio_lazy_iframe_exclusions',
-            \array_merge(
-                array(
-                    'data-no-lazy=',
-                    'lazyload',
-                    'skip-lazy',
-                    'vimeo',
-                    'about:blank',
-                    'googletagmanager',
-                ),
-                $this->user_exclusions
-            ),
-            $tag
-        );
-        foreach ( $exclusions as $exclusion ) {
-            if ( false !== \strpos( $tag, $exclusion ) ) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    /**
      * Build a PNG inline image placeholder.
      *
@@ -1211 +1374 @@
             return $exactdn->generate_url( $this->content_url . 'lazy/placeholder-' . $width . 'x' . $height . '.png' );
         } elseif ( ! is_file( $piip_path ) ) {
-            // First try PIP generation via Imagick, as it is pretty efficient.
-            if ( $this->imagick_support() ) {
-                $placeholder = new \Imagick();
-                $placeholder->newimage( $width, $height, 'transparent' );
-                $placeholder->setimageformat( 'PNG' );
-                $placeholder->stripimage();
-                $placeholder->writeimage( $piip_path );
-                $placeholder->clear();
+            // First, try GD and then optimize it with optipng/pngout if available.
+            // This is now the first attempt, as the Imagick placeholders are grayscale and may not work in Safari, and GD is somehow faster.
+            if (
+                $this->gd_support() &&
+                $this->check_memory_available( $width * $height * 4.8 ) // 4.8 = 24-bit or 3 bytes per pixel multiplied by a factor of 1.6 for extra wiggle room.
+            ) {
+                $img   = \imagecreatetruecolor( $width, $height );
+                $color = \imagecolorallocatealpha( $img, 0, 0, 0, 127 );
+                \imagefill( $img, 0, 0, $color );
+                \imagesavealpha( $img, true );
+                \imagecolortransparent( $img, \imagecolorat( $img, 0, 0 ) );
+                \imagetruecolortopalette( $img, false, 1 );
+                \imagepng( $img, $piip_path, 9 );
+                if (
+                    \function_exists( '\ewww_image_optimizer' ) &&
+                    \function_exists( '\ewwwio' ) &&
+                    ! \ewwwio()->get_option( 'ewww_image_optimizer_cloud_key' ) &&
+                    \ewwwio()->local->exec_check()
+                ) {
+                    \ewww_image_optimizer( $piip_path );
+                }
             }
             // If that didn't work, and we have a premium service, use the API to generate the slimmest PIP available.
@@ -1234 +1410 @@
                 }
             }
-            // Last shot, use GD and then optimize it with optipng/pngout if available.
+            // Last resort, do PIP generation via Imagick, as it is pretty efficient even though Safari doesn't like the grayscale images it produces.
             if (
                 ! \is_file( $piip_path ) &&
-                $this->gd_support() &&
-                $this->check_memory_available( $width * $height * 4.8 ) // 4.8 = 24-bit or 3 bytes per pixel multiplied by a factor of 1.6 for extra wiggle room.
+                $this->imagick_support()
             ) {
-                $img   = \imagecreatetruecolor( $width, $height );
-                $color = \imagecolorallocatealpha( $img, 0, 0, 0, 127 );
-                \imagefill( $img, 0, 0, $color );
-                \imagesavealpha( $img, true );
-                \imagecolortransparent( $img, \imagecolorat( $img, 0, 0 ) );
-                \imagetruecolortopalette( $img, false, 1 );
-                \imagepng( $img, $piip_path, 9 );
-                if ( \function_exists( '\ewww_image_optimizer' ) ) {
-                    \ewww_image_optimizer( $piip_path );
-                }
+                $placeholder = new \Imagick();
+                $placeholder->newimage( $width, $height, 'transparent' );
+                $placeholder->setimageformat( 'PNG' );
+                $placeholder->stripimage();
+                $placeholder->writeimage( $piip_path );
+                $placeholder->clear();
             }
         }
@@ -1382 +1553 @@
                         'exactdn_domain' => ( $this->parsing_exactdn ? $this->exactdn_domain : '' ),
                         'skip_autoscale' => ( \defined( 'EIO_LL_AUTOSCALE' ) && ! EIO_LL_AUTOSCALE ? 1 : 0 ),
+                        'bg_min_dpr'     => ( \defined( 'EIO_LL_BG_MIN_DPR' ) && EIO_LL_BG_MIN_DPR ? EIO_LL_BG_MIN_DPR : 1.1 ),
                         'threshold'      => (int) $threshold > 50 ? (int) $threshold : 0,
                         'use_dpr'        => (int) $this->get_option( 'exactdn_hidpi' ),
@@ -1423 +1595 @@
                         'exactdn_domain' => ( $this->parsing_exactdn ? $this->exactdn_domain : '' ),
                         'skip_autoscale' => ( \defined( 'EIO_LL_AUTOSCALE' ) && ! EIO_LL_AUTOSCALE ? 1 : 0 ),
+                        'bg_min_dpr'     => ( \defined( 'EIO_LL_BG_MIN_DPR' ) && EIO_LL_BG_MIN_DPR ? EIO_LL_BG_MIN_DPR : 1.1 ),
                         'threshold'      => (int) $threshold > 50 ? (int) $threshold : 0,
                         'use_dpr'        => (int) $this->get_option( 'exactdn_hidpi' ),

easy-image-optimizer/trunk/classes/class-page-parser.php

@@ -57 +57 @@
      * @param bool   $hyperlinks Default true. Should we include encasing hyperlinks in our search.
      * @param bool   $src_required Default true. Should we look only for images with src attributes.
+     * @param int    $flags Optional. Flags passed to preg_match_all. Default 0.
      * @return array An array of $images matches, where $images[0] is
      *         an array of full matches, and the link_url, img_tag,
      *         and img_url keys are arrays of those matches.
      */
-    public function get_images_from_html( $content, $hyperlinks = true, $src_required = true ) {
+    public function get_images_from_html( $content, $hyperlinks = true, $src_required = true, $flags = 0 ) {
         $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
         $images          = array();
@@ -80 +81 @@
             $unquoted_pattern = '#(?P<img_tag><img[^>]*?\s+?src\s*=\s*(?P<img_url>[^"\'\\\\<>][^\s\\\\<>]+)(?:\s[^>]*?)?>)#is';
         }
-        if ( \preg_match_all( $search_pattern, $content, $images ) ) {
+        if ( \preg_match_all( $search_pattern, $content, $images, $flags ) ) {
             $this->debug_message( 'found ' . \count( $images[0] ) . ' image elements with quoted pattern' );
             foreach ( $images as $key => $unused ) {
@@ -91 +92 @@
         }
         $images = \array_filter( $images );
-        if ( $unquoted_pattern && \preg_match_all( $unquoted_pattern, $content, $unquoted_images ) ) {
+        if ( $unquoted_pattern && \preg_match_all( $unquoted_pattern, $content, $unquoted_images, $flags ) ) {
             $this->debug_message( 'found ' . \count( $unquoted_images[0] ) . ' image elements with unquoted pattern' );
             foreach ( $unquoted_images as $key => $unused ) {
@@ -147 +148 @@
      *
      * @param string $content Some HTML.
+     * @param int    $flags Optional. Flags passed to preg_match_all. Default 0.
      * @return array An array of $pictures matches, containing full elements with ending tags.
      */
-    public function get_picture_tags_from_html( $content ) {
+    public function get_picture_tags_from_html( $content, $flags = 0 ) {
         $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
         $pictures = array();
-        if ( ! empty( $content ) && \preg_match_all( '#(?:<picture[^>]*?>\s*)(?:<source[^>]*?>)+(?:.*?</picture>)?#is', $content, $pictures ) ) {
+        if ( ! empty( $content ) && \preg_match_all( '#(?:<picture[^>]*?>\s*)(?:<source[^>]*?>)+(?:.*?</picture>)?#is', $content, $pictures, $flags ) ) {
             return $pictures[0];
         }
@@ -212 +214 @@
      * @param string $content Some HTML.
      * @param string $tag_name The name of the elements to retrieve.
+     * @param int    $flags Optional. Flags passed to preg_match_all. Default 0.
      * @return array An array of $elements.
      */
-    public function get_elements_from_html( $content, $tag_name ) {
-        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
-        if ( ! \ctype_alpha( str_replace( '-', '', $tag_name ) ) ) {
+    public function get_elements_from_html( $content, $tag_name, $flags = 0 ) {
+        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
+        if ( ! \ctype_alpha( \str_replace( '-', '', $tag_name ) ) ) {
             return array();
         }
-        if ( ! empty( $content ) && \preg_match_all( '#<' . $tag_name . '\s[^\\\\>]+?>#is', $content, $elements ) ) {
+        if ( ! empty( $content ) && \preg_match_all( '#<' . $tag_name . '\s[^\\\\>]+?>#is', $content, $elements, $flags ) ) {
             return $elements[0];
         }

easy-image-optimizer/trunk/classes/class-plugin.php

@@ -28 +28 @@
 
     /**
+     * Buffer object.
+     *
+     * @var object|\EasyIO\Buffer $buffer
+     */
+    public $buffer;
+
+    /**
+     * Lazy Load object.
+     *
+     * @var object|\EasyIO\Lazy_Load $lazy_load
+     */
+    public $lazy_load;
+
+    /**
      * Helpscout Beacon object.
      *
@@ -33 +47 @@
      */
     public $hs_beacon;
+
+    /**
+     * Settings object.
+     *
+     * @var object|\EasyIO\Settings $settings
+     */
+    public $settings;
 
     /**
@@ -50 +71 @@
             self::$instance->requires();
             self::$instance->load_children();
+
+            if ( ! self::$instance->php_supported() ) {
+                return self::$instance;
+            }
+            if ( ! self::$instance->wp_supported() ) {
+                return self::$instance;
+            }
+
+            // Load plugin components that need to be available early.
+            \add_action( 'plugins_loaded', array( self::$instance, 'plugins_loaded' ) );
+            // Setup page parsing, if parsers are enabled.
+            \add_action( 'init', array( self::$instance, 'parser_init' ), 99 );
             // Initializes the plugin for admin interactions, like saving network settings and scheduling cron jobs.
             \add_action( 'admin_init', array( self::$instance, 'admin_init' ) );
 
-            // TODO: check PHP and WP compat here.
-            // TODO: setup anything that needs to run on init/plugins_loaded.
-            // TODO: add any custom option/setting hooks here (actions that need to be taken when certain settings are saved/updated).
+            // Filters to set default permissions, admins can override these if they wish.
+            \add_filter( 'easyio_admin_permissions', array( self::$instance, 'admin_permissions' ), 8 );
+            \add_filter( 'easyio_superadmin_permissions', array( self::$instance, 'superadmin_permissions' ), 8 );
+
+            // Add Easy IO version to useragent for API requests.
+            \add_filter( 'exactdn_api_request_useragent', array( self::$instance, 'api_useragent' ) );
+            // Check the current screen ID to see if temp debugging should still be enabled.
+            \add_action( 'current_screen', array( self::$instance, 'current_screen' ), 10, 1 );
+            // Disable core WebP generation since we already do that.
+            \add_filter( 'wp_upload_image_mime_transforms', '__return_empty_array' );
+            // Makes sure we flush the debug info to the log on shutdown.
+            \add_action( 'shutdown', array( self::$instance, 'debug_log' ) );
         }
 
@@ -86 +128 @@
      */
     private function requires() {
+        // Sets up the settings page and various option-related hooks/functions.
+        require_once EASYIO_PLUGIN_PATH . 'classes/class-settings.php';
+        // Starts the HTML buffer for all other functions to parse.
+        require_once EASYIO_PLUGIN_PATH . 'classes/class-buffer.php';
+        // Page Parsing class for working with HTML content.
+        require_once EASYIO_PLUGIN_PATH . 'classes/class-page-parser.php';
+        // Lazy Load class for parsing image urls and deferring off-screen images.
+        require_once EASYIO_PLUGIN_PATH . 'classes/class-lazy-load.php';
         // EasyIO\HS_Beacon class for integrated help/docs.
         require_once EASYIO_PLUGIN_PATH . 'classes/class-hs-beacon.php';
@@ -94 +144 @@
      */
     public function load_children() {
-        /* self::$instance->class = new Class(); */
+        self::$instance->settings = new Settings();
+    }
+
+    /**
+     * Make sure we are on a supported version of PHP.
+     *
+     * @access private
+     */
+    private function php_supported() {
+        if ( defined( 'PHP_VERSION_ID' ) && PHP_VERSION_ID >= 80100 ) {
+            return true;
+        }
+        \add_action( 'network_admin_notices', array( self::$instance, 'unsupported_php_notice' ) );
+        \add_action( 'admin_notices', array( self::$instance, 'unsupported_php_notice' ) );
+        return false;
+    }
+
+    /**
+     * Make sure we are on a supported version of WordPress.
+     *
+     * @access private
+     */
+    private function wp_supported() {
+        global $wp_version;
+        if ( \version_compare( $wp_version, '6.6' ) >= 0 ) {
+            return true;
+        }
+        \add_action( 'network_admin_notices', array( self::$instance, 'unsupported_wp_notice' ) );
+        \add_action( 'admin_notices', array( self::$instance, 'unsupported_wp_notice' ) );
+        return false;
+    }
+
+    /**
+     * Display a notice that the PHP version is too old.
+     */
+    public function unsupported_php_notice() {
+        echo '<div id="easyio-warning-php" class="error"><p><a href="https://docs.ewww.io/article/55-upgrading-php" target="_blank" data-beacon-article="5ab2baa6042863478ea7c2ae">' . esc_html__( 'Easy Image Optimizer requires PHP 8.1 or greater. Newer versions of PHP are faster and more secure. If you are unsure how to upgrade to a supported version, ask your webhost for instructions.', 'easy-image-optimizer' ) . '</a></p></div>';
+    }
+
+    /**
+     * Display a notice that the WP version is too old.
+     */
+    public function unsupported_wp_notice() {
+        echo '<div id="swis-warning-wp" class="notice notice-error"><p>' . esc_html__( 'Easy Image Optimizer requires WordPress 6.6 or greater, please update your website.', 'easy-image-optimizer' ) . '</p></div>';
+    }
+
+    /**
+     * Run things that need to go early, on plugins_loaded.
+     */
+    public function plugins_loaded() {
+        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
+
+        if ( $this->get_option( 'easyio_lazy_load' ) && $this->get_option( 'easyio_ll_external_bg' ) ) {
+            $this->debug_message( 'requesting external parsing of CSS for background images via SWIS' );
+            add_filter( 'eio_lazify_external_css', '__return_true' );
+        }
+    }
+
+    /**
+     * Setup page parsing classes after theme functions.php is loaded and plugins have run init routines.
+     */
+    public function parser_init() {
+        $buffer_start = false;
+        // If ExactDN is enabled.
+        if ( $this->get_option( 'easyio_exactdn' ) && ! \str_contains( \add_query_arg( '', '' ), 'exactdn_disable=1' ) ) {
+            $buffer_start = true;
+
+            // ExactDN class for parsing image urls and rewriting them.
+            require_once EASYIO_PLUGIN_PATH . 'classes/class-exactdn.php';
+        }
+        // If Lazy Load is enabled.
+        if ( $this->get_option( 'easyio_lazy_load' ) ) {
+            $buffer_start = true;
+
+            $this->lazy_load = new Lazy_Load();
+        }
+        if ( $buffer_start ) {
+            // Start an output buffer before any output starts.
+            $this->buffer = new Buffer();
+        }
     }
 
@@ -102 +231 @@
     public function admin_init() {
         $this->hs_beacon = new HS_Beacon();
-        \easyio_upgrade();
-        $this->register_settings();
 
         if ( ! \class_exists( __NAMESPACE__ . '\ExactDN' ) || ! $this->get_option( 'easyio_exactdn' ) ) {
-            add_action( 'network_admin_notices', 'easyio_notice_inactive' );
-            add_action( 'admin_notices', 'easyio_notice_inactive' );
-        }
+            \add_action( 'network_admin_notices', array( $this, 'service_inactive_notice' ) );
+            \add_action( 'admin_notices', array( $this, 'service_inactive_notice' ) );
+        }
+
+        \add_action( 'exactdn_as3cf_cname_active', array( $this, 'exactdn_as3cf_cname_active_notice' ) );
+        \add_action( 'exactdn_domain_mismatch', array( $this, 'exactdn_domain_mismatch_notice' ) );
+
+        \add_action( 'easyio_beacon_notice', array( $this, 'hs_beacon_notice' ) );
+
         // Prevent ShortPixel AIO messiness.
         \remove_action( 'admin_notices', 'autoptimizeMain::notice_plug_imgopt' );
@@ -117 +250 @@
                 $ao_extra['autoptimize_imgopt_checkbox_field_1'] = 0;
                 \update_option( 'autoptimize_imgopt_settings', $ao_extra );
-                \add_action( 'admin_notices', 'easyio_notice_sp_conflict' );
+                \add_action( 'admin_notices', array( $this, 'sp_conflict_notice' ) );
             }
         }
@@ -124 +257 @@
             if ( $this->get_option( 'easyio_exactdn' ) && \HMWP_Classes_Tools::getOption( 'hmwp_hide_version' ) && ! \HMWP_Classes_Tools::getOption( 'hmwp_hide_version_random' ) ) {
                 $this->debug_message( 'detected HMWP Hide Version' );
-                \add_action( 'admin_notices', array( $this, 'notice_hmwp_hide_version' ) );
+                \add_action( 'admin_notices', array( $this, 'hmwp_hide_version_notice' ) );
             }
         }
 
-        if ( ! \defined( '\WP_CLI' ) || ! WP_CLI ) {
-            \easyio_privacy_policy_content();
-        }
-    }
-
-    /**
-     * Save the multi-site settings, if this is the WP admin, and they've been POSTed.
-     */
-    public function save_network_settings() {
-        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
-        // NOTE: we don't actually have a network settings screen, so...
-        if ( ! \function_exists( 'is_plugin_active_for_network' ) && \is_multisite() ) {
-            // Need to include the plugin library for the is_plugin_active function.
-            require_once ABSPATH . 'wp-admin/includes/plugin.php';
-        }
-            // Set the common network settings if they have been POSTed.
-        if (
-            \is_multisite() &&
-            \is_plugin_active_for_network( EASYIO_PLUGIN_FILE_REL ) &&
-            ! empty( $_REQUEST['_wpnonce'] ) &&
-            isset( $_POST['option_page'] ) &&
-            false !== \strpos( sanitize_text_field( wp_unslash( $_POST['option_page'] ) ), 'easyio_options' ) &&
-            \wp_verify_nonce( sanitize_key( $_REQUEST['_wpnonce'] ), 'easyio_options-options' ) &&
-            \current_user_can( 'manage_network_options' ) &&
-            ! \get_site_option( 'easyio_allow_multisite_override' ) &&
-            false === \strpos( wp_get_referer(), 'options-general' )
-        ) {
-            $this->debug_message( 'network-wide settings, no override' );
-            $easyio_debug = ( empty( $_POST['easyio_debug'] ) ? false : true );
-            \update_site_option( 'easyio_debug', $easyio_debug );
-            $easyio_metadata_remove = ( empty( $_POST['easyio_metadata_remove'] ) ? false : true );
-            \update_site_option( 'easyio_metadata_remove', $easyio_metadata_remove );
-            $exactdn_all_the_things = ( empty( $_POST['exactdn_all_the_things'] ) ? false : true );
-            \update_site_option( 'exactdn_all_the_things', $exactdn_all_the_things );
-            $exactdn_lossy = ( empty( $_POST['exactdn_lossy'] ) ? false : true );
-            \update_site_option( 'exactdn_lossy', $exactdn_lossy );
-            $exactdn_hidpi = ( empty( $_POST['exactdn_hidpi'] ) ? false : true );
-            \update_site_option( 'exactdn_hidpi', $exactdn_hidpi );
-            $exactdn_exclude = empty( $_POST['exactdn_exclude'] ) ? '' : sanitize_textarea_field( wp_unslash( $_POST['exactdn_exclude'] ) );
-            \update_site_option( 'exactdn_exclude', $this->exclude_paths_sanitize( $exactdn_exclude ) );
-            $easyio_add_missing_dims = ( empty( $_POST['easyio_add_missing_dims'] ) ? false : true );
-            \update_site_option( 'easyio_add_missing_dims', $easyio_add_missing_dims );
-            $easyio_lazy_load = ( empty( $_POST['easyio_lazy_load'] ) ? false : true );
-            \update_site_option( 'easyio_lazy_load', $easyio_lazy_load );
-            $easyio_ll_autoscale = ( empty( $_POST['easyio_ll_autoscale'] ) ? false : true );
-            \update_site_option( 'easyio_ll_autoscale', $easyio_ll_autoscale );
-            $easyio_ll_abovethefold = ! empty( $_POST['easyio_ll_abovethefold'] ) ? (int) $_POST['easyio_ll_abovethefold'] : 0;
-            \update_site_option( 'easyio_ll_abovethefold', $easyio_ll_abovethefold );
-            $easyio_use_lqip = ( empty( $_POST['easyio_use_lqip'] ) ? false : true );
-            \update_site_option( 'easyio_use_lqip', $easyio_use_lqip );
-            $easyio_use_dcip = ( empty( $_POST['easyio_use_dcip'] ) ? false : true );
-            \update_site_option( 'easyio_use_dcip', $easyio_use_dcip );
-            $easyio_ll_exclude = empty( $_POST['easyio_ll_exclude'] ) ? '' : sanitize_textarea_field( wp_unslash( $_POST['easyio_ll_exclude'] ) );
-            \update_site_option( 'easyio_ll_exclude', $this->exclude_paths_sanitize( $easyio_ll_exclude ) );
-            $easyio_ll_all_things = empty( $_POST['easyio_ll_all_things'] ) ? '' : sanitize_textarea_field( wp_unslash( $_POST['easyio_ll_all_things'] ) );
-            \update_site_option( 'easyio_ll_all_things', $easyio_ll_all_things );
-            $easyio_allow_multisite_override = empty( $_POST['easyio_allow_multisite_override'] ) ? false : true;
-            \update_site_option( 'easyio_allow_multisite_override', $easyio_allow_multisite_override );
-            $easyio_enable_help = empty( $_POST['easyio_enable_help'] ) ? false : true;
-            \update_site_option( 'easyio_enable_help', $easyio_enable_help );
-            \add_action( 'network_admin_notices', 'easyio_network_settings_saved' );
-        } elseif ( isset( $_POST['easyio_allow_multisite_override_active'] ) && \current_user_can( 'manage_network_options' ) && ! empty( $_REQUEST['_wpnonce'] ) && \wp_verify_nonce( sanitize_key( $_REQUEST['_wpnonce'] ), 'easyio_options-options' ) ) {
-            $this->debug_message( 'network-wide settings, single-site overriding' );
-            $easyio_allow_multisite_override = empty( $_POST['easyio_allow_multisite_override'] ) ? false : true;
-            \update_site_option( 'easyio_allow_multisite_override', $easyio_allow_multisite_override );
-            \add_action( 'network_admin_notices', 'easyio_network_settings_saved' );
-        } // End if().
-    }
-
-    /**
-     * Register all our options and sanitation functions.
-     */
-    public function register_settings() {
-        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
-        // Register all the common Easy IO settings.
-        \register_setting( 'easyio_options', 'easyio_debug', 'boolval' );
-        \register_setting( 'easyio_options', 'easyio_enable_help', 'boolval' );
-        \register_setting( 'easyio_options', 'exactdn_all_the_things', 'boolval' );
-        \register_setting( 'easyio_options', 'exactdn_lossy', 'boolval' );
-        \register_setting( 'easyio_options', 'exactdn_hidpi', 'boolval' );
-        \register_setting( 'easyio_options', 'exactdn_exclude', array( $this, 'exclude_paths_sanitize' ) );
-        \register_setting( 'easyio_options', 'easyio_add_missing_dims', 'boolval' );
-        \register_setting( 'easyio_options', 'easyio_lazy_load', 'boolval' );
-        \register_setting( 'easyio_options', 'easyio_ll_abovethefold', 'intval' );
-        \register_setting( 'easyio_options', 'easyio_use_lqip', 'boolval' );
-        \register_setting( 'easyio_options', 'easyio_use_dcip', 'boolval' );
-        \register_setting( 'easyio_options', 'easyio_ll_exclude', array( $this, 'exclude_paths_sanitize' ) );
-        \register_setting( 'easyio_options', 'easyio_ll_all_things', 'sanitize_textarea_field' );
-    }
-
-    /**
-     * Set some default option values.
-     */
-    public function set_defaults() {
-        $this->debug_message( '<b>' . __METHOD__ . '()</b>' );
-        // Set defaults for all options that need to be autoloaded.
-        \add_option( 'easyio_debug', false );
-        \add_option( 'easyio_metadata_remove', true );
-        \add_option( 'easyio_exactdn', false );
-        \add_option( 'easyio_plan_id', 0 );
-        \add_option( 'exactdn_all_the_things', false );
-        \add_option( 'exactdn_lossy', false );
-        \add_option( 'exactdn_hidpi', false );
-        \add_option( 'exactdn_exclude', '' );
-        \add_option( 'exactdn_sub_folder', false );
-        \add_option( 'exactdn_prevent_db_queries', true );
-        \add_option( 'exactdn_asset_domains', '' );
-        \add_option( 'easyio_add_missing_dims', false );
-        \add_option( 'easyio_lazy_load', false );
-        \add_option( 'easyio_use_lqip', false );
-        \add_option( 'easyio_use_dcip', false );
-        \add_option( 'easyio_use_siip', false );
-        \add_option( 'easyio_ll_autoscale', true );
-        \add_option( 'easyio_ll_abovethefold', 0 );
-        \add_option( 'easyio_ll_exclude', '' );
-        \add_option( 'easyio_ll_all_things', '' );
-
-        // Set network defaults.
-        \add_site_option( 'easyio_metadata_remove', true );
-        \add_site_option( 'easyio_add_missing_dims', true );
-        \add_site_option( 'easyio_ll_autoscale', true );
-        \add_site_option( 'exactdn_sub_folder', false );
-        \add_site_option( 'exactdn_prevent_db_queries', true );
+        if ( ! \defined( 'WP_CLI' ) || ! WP_CLI ) {
+            $this->privacy_policy_content();
+        }
+    }
+
+    /**
+     * Adds the Easy IO version to the useragent for http requests.
+     *
+     * @param string $useragent The current useragent used in http requests.
+     * @return string The useragent with the Easy IO version appended.
+     */
+    public function api_useragent( $useragent ) {
+        if ( ! \str_contains( $useragent, 'EIO' ) ) {
+            $useragent .= ' EIO/' . EASYIO_VERSION . ' ';
+        }
+        return $useragent;
+    }
+
+    /**
+     * Adds suggested privacy policy content for site admins.
+     *
+     * Note that this is just a suggestion, it should be customized for your site.
+     */
+    private function privacy_policy_content() {
+        if ( ! \function_exists( 'wp_add_privacy_policy_content' ) || ! \function_exists( 'wp_kses_post' ) ) {
+            return;
+        }
+        $content  = '<p class="privacy-policy-tutorial">';
+        $content .= \wp_kses_post( \__( 'Normally, this plugin does not process any information about your visitors. However, if you accept user-submitted images and display them on your site, you can use this language to keep your visitors informed.', 'easy-image-optimizer' ) ) . '</p>';
+        $content .= '<p>' . \wp_kses_post( \__( 'User-submitted images that are displayed on this site will be transmitted and stored on a global network of third-party servers (a CDN).', 'easy-image-optimizer' ) ) . '</p>';
+        \wp_add_privacy_policy_content( 'Easy Image Optimizer', $content );
+    }
+
+    /**
+     * Set default permissions for admin (configuration) and bulk operations.
+     *
+     * @param string $permissions A valid WP capability level.
+     * @return string Either the original value, unchanged, or the default capability level.
+     */
+    public function admin_permissions( $permissions ) {
+        if ( empty( $permissions ) ) {
+            return 'activate_plugins';
+        }
+        return $permissions;
+    }
+
+    /**
+     * Set default permissions for multisite/network admin (configuration) operations.
+     *
+     * @param string $permissions A valid WP capability level.
+     * @return string Either the original value, unchanged, or the default capability level.
+     */
+    public function superadmin_permissions( $permissions ) {
+        if ( empty( $permissions ) ) {
+            return 'manage_network_options';
+        }
+        return $permissions;
+    }
+
+    /**
+     * Check the current screen, used to temporarily enable debugging on settings page.
+     *
+     * @param object $screen Information about the page/screen currently being loaded.
+     */
+    public function current_screen( $screen ) {
+        if ( $this->get_option( 'easyio_debug' ) ) {
+            return;
+        }
+        if ( \str_contains( $screen->id, 'settings_page_easy-image-optimizer' ) ) {
+            return;
+        }
+        // Otherwise, we are somewhere else and should disable temp debugging.
+        Base::$debug_data = '';
+        Base::$temp_debug = false;
+    }
+
+    /**
+     * Let the user know they need to take action!
+     */
+    public function service_inactive_notice() {
+        ?>
+        <div id='easyio-inactive' class='notice notice-warning'>
+            <p>
+                <a href="<?php echo \esc_url( \admin_url( 'options-general.php?page=easy-image-optimizer-options' ) ); ?>">
+                    <?php \esc_html_e( 'Please visit the settings page to complete activation of the Easy Image Optimizer.', 'easy-image-optimizer' ); ?>
+                </a>
+            </p>
+        </div>
+        <?php
+    }
+
+    /**
+     * Let the user know they need to disable the WP Offload Media CNAME.
+     */
+    public function exactdn_as3cf_cname_active_notice() {
+        ?>
+        <div id="easyio-notice-exactdn-as3cf-cname-active" class="notice notice-error">
+            <p>
+                <?php \esc_html_e( 'Easy IO cannot optimize your images while using a custom domain (CNAME) in WP Offload Media. Please disable the custom domain in the WP Offload Media settings.', 'easy-image-optimizer' ); ?>
+            </p>
+        </div>
+        <?php
+    }
+
+    /**
+     * Let the user know the local domain appears to have changed from what Easy IO has recorded in the db.
+     */
+    public function exactdn_domain_mismatch_notice() {
+        global $exactdn;
+        if ( ! isset( $exactdn->upload_domain ) ) {
+            return;
+        }
+        $stored_local_domain = $this->get_option( 'easyio_exactdn_local_domain' );
+        if ( empty( $stored_local_domain ) ) {
+            return;
+        }
+        if ( ! \str_contains( $stored_local_domain, '.' ) ) {
+            $stored_local_domain = \base64_decode( $stored_local_domain );
+        }
+        ?>
+        <div id="easyio-notice-exactdn-domain-mismatch" class="notice notice-warning">
+            <p>
+                <?php
+                \printf(
+                    /* translators: 1: old domain name, 2: current domain name */
+                    \esc_html__( 'Easy IO detected that the Site URL has changed since the initial activation (previously %1$s, currently %2$s).', 'easy-image-optimizer' ),
+                    '<strong>' . \esc_html( $stored_local_domain ) . '</strong>',
+                    '<strong>' . \esc_html( $exactdn->upload_domain ) . '</strong>'
+                );
+                ?>
+                <br>
+                <?php
+                \printf(
+                    /* translators: %s: settings page */
+                    \esc_html__( 'Please visit the %s to refresh the Easy IO settings and verify activation status.', 'easy-image-optimizer' ),
+                    '<a href="' . \esc_url( \admin_url( 'options-general.php?page=easy-image-optimizer-options' ) ) . '">' . \esc_html__( 'settings page', 'easy-image-optimizer' ) . '</a>'
+                );
+                ?>
+            </p>
+        </div>
+        <?php
+    }
+
+    /**
+     * Inform the user of our beacon function so that they can opt-in.
+     */
+    public function hs_beacon_notice() {
+        $optin_url  = \wp_nonce_url( 'admin.php?action=eio_opt_into_hs_beacon', 'eio_beacon' );
+        $optout_url = \wp_nonce_url( 'admin.php?action=eio_opt_out_of_hs_beacon', 'eio_beacon' );
+        ?>
+        <div id="easyio-hs-beacon" class="notice notice-info">
+            <p>
+                <?php \esc_html_e( 'Enable the Easy IO support beacon, which gives you access to documentation and our support team right from your WordPress dashboard. To assist you more efficiently, we collect the current url, IP address, browser/device information, and debugging information.', 'easy-image-optimizer' ); ?><br>
+                <a href="<?php echo \esc_url( $optin_url ); ?>" class="button-secondary"><?php esc_html_e( 'Allow', 'easy-image-optimizer' ); ?></a>&nbsp;
+                <a href="<?php echo \esc_url( $optout_url ); ?>" class="button-secondary"><?php esc_html_e( 'Do not allow', 'easy-image-optimizer' ); ?></a>
+            </p>
+        </div>
+        <?php
+    }
+
+    /**
+     * Inform the user that we disabled SP AIO to prevent conflicts with ExactDN.
+     */
+    public function sp_conflict_notice() {
+        ?>
+        <div id='easyio-sp-conflict' class='notice notice-warning'>
+            <p>
+                <?php \esc_html_e( 'ShortPixel/Autoptimize image optimization has been disabled to prevent conflicts with Easy Image Optimizer).', 'easy-image-optimizer' ); ?>
+            </p>
+        </div>
+        <?php
     }
 
@@ -256 +437 @@
      * Tell the user to disable Hide my WP function that removes query strings.
      */
-    public function notice_hmwp_hide_version() {
+    public function hmwp_hide_version_notice() {
         ?>
         <div id='easy-image-optimizer-warning-hmwp-hide-version' class='notice notice-warning'>
             <p>
                 <?php \esc_html_e( 'Please enable the Random Static Number option in Hide My WP to ensure compatibility with Easy IO or disable the Hide Version option for best performance.', 'easy-image-optimizer' ); ?>
-                <?php \easyio_help_link( 'https://docs.ewww.io/article/50-exactdn-and-query-strings', '5a3d278a2c7d3a1943677b52' ); ?>
+                <?php $this->settings->help_link( 'https://docs.ewww.io/article/50-exactdn-and-query-strings', '5a3d278a2c7d3a1943677b52' ); ?>
             </p>
         </div>

easy-image-optimizer/trunk/easy-image-optimizer.php

@@ -14 +14 @@
 Description: Easily speed up your website to better connect with your visitors. Properly compress and size/scale images. Includes lazy load and WebP auto-convert.
 Author: Exactly WWW
-Version: 4.2.1
+Version: 4.3.0
 Requires at least: 6.6
 Requires PHP: 8.1
@@ -25 +25 @@
 }
 
-// Check the PHP version.
-if ( ! defined( 'PHP_VERSION_ID' ) || PHP_VERSION_ID < 80100 ) {
-    add_action( 'network_admin_notices', 'easyio_unsupported_php' );
-    add_action( 'admin_notices', 'easyio_unsupported_php' );
-} elseif ( false === strpos( add_query_arg( '', '' ), 'easyio_disable=1' ) ) {
-    define( 'EASYIO_VERSION', 421 );
+if ( ! class_exists( 'EasyIO\Plugin' ) && ! str_contains( add_query_arg( '', '' ), 'easyio_disable=1' ) ) {
+    define( 'EASYIO_VERSION', 430 );
 
     /**
@@ -58 +54 @@
             if ( ! is_writable( WP_CONTENT_DIR ) || ! empty( $_ENV['PANTHEON_ENVIRONMENT'] ) ) {
                 $upload_dir = wp_get_upload_dir();
-                if ( false === strpos( $upload_dir['basedir'], '://' ) && is_writable( $upload_dir['basedir'] ) ) {
+                if ( ! str_contains( $upload_dir['basedir'], '://' ) && is_writable( $upload_dir['basedir'] ) ) {
                     $easyio_content_dir = trailingslashit( $upload_dir['basedir'] ) . trailingslashit( 'easyio' );
                 }
@@ -66 +62 @@
     }
 
-    /**
-     * All the 'unique' functions for the core Easy IO plugin.
-     */
-    require_once EASYIO_PLUGIN_PATH . 'unique.php';
     /**
      * All the base functions for our plugins.
@@ -88 +80 @@
     easyio();
 } // End if().
-
-if ( ! function_exists( 'easyio_unsupported_php' ) ) {
-    /**
-     * Display a notice that the PHP version is too old.
-     */
-    function easyio_unsupported_php() {
-        echo '<div id="easyio-warning-php" class="error"><p><a href="https://docs.ewww.io/article/55-upgrading-php" target="_blank" data-beacon-article="5ab2baa6042863478ea7c2ae">' . esc_html__( 'Easy Image Optimizer requires PHP 8.1 or greater. Newer versions of PHP are faster and more secure. If you are unsure how to upgrade to a supported version, ask your webhost for instructions.', 'easy-image-optimizer' ) . '</a></p></div>';
-    }
-}

easy-image-optimizer/trunk/includes/eio.js

@@ -38 +38 @@
         });
     }
-    $('#easyio-general-settings').show();
-    $('li.easyio-general-nav').addClass('easyio-selected');
-    $('#easyio-support-settings').hide();
     $('.easyio-general-nav').click(function() {
         $('.easyio-tab-nav li').removeClass('easyio-selected');
@@ -59 +56 @@
         $('#easyio-hidden-submit').show();
     });
-    return false;
+    $('a#easyio-activate').on( 'click', function() {
+        $('a#easyio-activate').hide();
+        $('#easyio-activation-processing').show();
+        activateExactDNSite();
+        return false;
+    });
+    function activateExactDNSite() {
+        var easyio_post_action = 'easyio_activate';
+        var easyio_post_data = {
+            action: easyio_post_action,
+            _wpnonce: easyio_vars._wpnonce,
+        };
+        $.post(ajaxurl, easyio_post_data, function(response) {
+            try {
+                var easyio_response = JSON.parse(response);
+            } catch (err) {
+                $('#easyio-activation-processing').hide();
+                $('#easyio-activation-result').html(easyio_vars.invalid_response);
+                $('#easyio-activation-result').addClass('error');
+                $('#easyio-activation-result').show();
+                console.log( response );
+                return false;
+            }
+            if ( easyio_response.error ) {
+                $('#easyio-activation-processing').hide();
+                $('a#easyio-activate').show();
+                $('#easyio-activation-result').html(easyio_response.error);
+                $('#easyio-activation-result').addClass('error');
+                $('#easyio-activation-result').show();
+            } else if ( ! easyio_response.success ) {
+                $('#easyio-activation-processing').hide();
+                $('#easyio-activation-result').html(easyio_vars.invalid_response);
+                $('#easyio-activation-result').addClass('error');
+                $('#easyio-activation-result').show();
+                console.log( response );
+            } else {
+                $('#easyio-activation-processing').hide();
+                $('#easyio-status').html(easyio_response.success);
+                $('#exactdn_all_the_things').prop('checked', true);
+                $('#easyio_lazy_load').prop('checked', true);
+                $('#easyio_add_missing_dims').prop('disabled', false);
+                $('.easyio-settings-table').show();
+                $('#easyio-hidden-submit').show();
+                $('table.easyio-inactive').hide();
+            }
+        });
+        return false;
+    }
+    var easy_save_bar_width = $('#easyio-savings-fill').data('score');
+    $('#easyio-savings-fill').animate( {
+        width: easy_save_bar_width + '%',
+    }, 1000 );
+    var easy_bandwidth_bar_width = $('#easyio-bandwidth-fill').data('score');
+    if ( easy_bandwidth_bar_width == 100 ) {
+        $('#easyio-bandwidth-container .easyio-bar-fill').css('background-color', '#d63638');
+        $('#easyio-bandwidth-flex a').css('color', '#d63638');
+    }
+    $('#easyio-bandwidth-fill').animate( {
+        width: easy_bandwidth_bar_width + '%',
+    }, 1000 );
+    easyIORegisterStatsHandler();
+    function easyIORegisterStatsHandler() {
+        $('#easyio-show-stats').on('click', function(){
+            var site_id = $(this).attr('data-site-id');
+            var easyio_post_data = {
+                action: 'easyio_get_site_stats',
+                site_id: site_id,
+                _wpnonce: easyio_vars._wpnonce,
+            };      
+            var statsContainerID = 'exactdn-stats-modal-' + site_id;
+            var statsContainer = false;
+            var statsExist = document.getElementById(statsContainerID);
+            var closeIcon  = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 384 512"><path d="M342.6 150.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L192 210.7 86.6 105.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3L146.7 256 41.4 361.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0L192 301.3 297.4 406.6c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L237.3 256 342.6 150.6z"/></svg>';                   
+            if ( ! statsExist ) {
+                $('body').append('<div id="' + statsContainerID + '" style="display:none;" class="exactdn-stats-modal"><div class="exactdn-stats-modal-close">' + closeIcon + '</div><div class="exactdn-stats-modal-charts"></div><img class="exactdn-loading-image" style="display:block;margin-left: auto;margin-right:auto;width:20px;" src="' + easyio_vars.loading_image_url + '" /></div>');
+                statsContainer = $('#' + statsContainerID);
+                $(statsContainer).on('click', '.exactdn-stats-modal-close', function() {
+                    $('.exactdn-stats-modal').hide();
+                    document.body.classList.toggle('exactdn-body-unscroll');
+                });
+                                
+                $.post(ajaxurl, easyio_post_data, function(response) {
+                    //console.log( response );
+                    var is_json = true;
+                    try {
+                        var easyio_response = $.parseJSON(response);
+                    } catch (err) {
+                        is_json = false;
+                    }
+                    if ( ! is_json ) {
+                        statsContainer.children('.exactdn-stats-modal-charts').html(easyio_vars.invalid_response);
+                        $('.exactdn-loading-image').hide();
+                        console.log(response);
+                    } else if (easyio_response.error) {
+                        statsContainer.children('.exactdn-stats-modal-charts').html('<strong>Error (contact support if necessary):</strong> ' + easyio_response.error);
+                        $('.exactdn-loading-image').hide();
+                    } else if (easyio_response.html) {
+                        statsContainer.children('.exactdn-stats-modal-charts').html(easyio_response.html);
+                        if (easyio_response.pending) {
+                            console.log('need to fetch more stats, request pending');
+                            setTimeout(fetchExtraStats, 10000, site_id);
+                        } else {
+                            $('.exactdn-loading-image').hide();
+                        }
+                    } else {
+                        statsContainer.children('.exactdn-stats-modal-charts').html(easyio_vars.invalid_response);
+                        $('.exactdn-loading-image').hide();
+                        console.log(response);
+                    }
+                })
+                .fail(function() {
+                    statsContainer.children('.exactdn-stats-modal-charts').html(easyio_vars.invalid_response);
+                    $('.exactdn-loading-image').hide();
+                });
+            } else {
+                statsContainer = $('#' + statsContainerID);
+            }
+            statsContainer.show();
+            document.body.classList.toggle('exactdn-body-unscroll');
+            return false;
+        });
+    }
+    var extraStatsRequests = 0;
+    function fetchExtraStats(site_id) {
+        var easyio_post_data = {
+            action: 'easyio_get_site_stats',
+            site_id: site_id,
+            require_extra: 1,
+            _wpnonce: easyio_vars._wpnonce,
+        };
+        var statsContainerID = 'exactdn-stats-modal-' + site_id;
+        var statsContainer = false;
+        var statsExist = document.getElementById(statsContainerID);
+        if ( ! statsExist ) {
+            console.log('no container for site #' + site_id);
+            return;
+        }
+        statsContainer = $('#' + statsContainerID);
+        if ( extraStatsRequests > 11 ) { // Roughly 2 minutes of waiting.
+            $('.exactdn-loading-image').hide();
+            statsContainer.find('.exactdn-stats-pending').text(easyio_vars.easyio_extra_stats_failed);
+            return;
+        }
+        $.post(ajaxurl, easyio_post_data, function(response) {
+            extraStatsRequests++;
+            var is_json = true;
+            try {
+                var easyio_response = $.parseJSON(response);
+            } catch (err) {
+                is_json = false;
+            }
+            if ( ! is_json ) {
+                console.log(response);
+                setTimeout(fetchExtraStats, 10000, site_id);
+                return;
+            }
+            if (easyio_response.error) {
+                console.log(easyio_response.error);
+            } else if (easyio_response.html) {
+                $('.exactdn-loading-image').hide();
+                statsContainer.children('.exactdn-stats-modal-charts').html(easyio_response.html);
+                return;
+            }
+            setTimeout(fetchExtraStats, 10000, site_id);
+        });
+    }
 });
 function selectText(containerid) {

easy-image-optimizer/trunk/includes/lazysizes-post.js

@@ -28 +28 @@
             if(e.detail.instance != lazySizes){return;}
 
-            var bg, bgWebP;
+            var bg, bgWebP,swisLazyId;
             if(!e.defaultPrevented) {
 
@@ -36 +36 @@
 
                 // handle data-back (so as not to conflict with the stock data-bg)
-                bg = e.target.getAttribute('data-back');
+                bg = e.target.dataset.back;
+                // Was getAttribute('data-back');
                 if (bg) {
-                        if(ewww_webp_supported) {
+                    if(ewww_webp_supported) {
                         console.log('checking for data-back-webp');
-                        bgWebP = e.target.getAttribute('data-back-webp');
+                        bgWebP = e.target.dataset.backWebp;
+                        // Was bgWebP = e.target.getAttribute('data-back-webp');
                         if (bgWebP) {
                             console.log('replacing data-back with data-back-webp');
@@ -46 +48 @@
                         }
                     }
-                    var dPR = getdPR();
-                    var targetWidth  = Math.round(e.target.offsetWidth * dPR);
-                    var targetHeight = Math.round(e.target.offsetHeight * dPR);
-                    if ( 0 === bg.search(/\[/) ) {
-                    } else if (!shouldAutoScale(e.target)){
-                    } else if (lazySizes.hC(e.target,'wp-block-cover')) {
-                        console.log('found wp-block-cover with data-back');
-                        if (lazySizes.hC(e.target,'has-parallax')) {
-                            console.log('also has-parallax with data-back');
-                            targetWidth  = Math.round(window.screen.width * dPR);
-                            targetHeight = Math.round(window.screen.height * dPR);
-                        } else if (targetHeight<300) {
-                            targetHeight = 430;
-                        }
-                        bg = constrainSrc(bg,targetWidth,targetHeight,'bg-cover');
-                    } else if (lazySizes.hC(e.target,'cover-image')){
-                        console.log('found .cover-image with data-back');
-                        bg = constrainSrc(bg,targetWidth,targetHeight,'bg-cover');
-                    } else if (lazySizes.hC(e.target,'elementor-bg')){
-                        console.log('found elementor-bg with data-back');
-                        bg = constrainSrc(bg,targetWidth,targetHeight,'bg-cover');
-                    } else if (lazySizes.hC(e.target,'et_parallax_bg')){
-                        console.log('found et_parallax_bg with data-back');
-                        bg = constrainSrc(bg,targetWidth,targetHeight,'bg-cover');
-                    } else if (lazySizes.hC(e.target,'bg-image-crop')){
-                        console.log('found bg-image-crop with data-back');
-                        bg = constrainSrc(bg,targetWidth,targetHeight,'bg-cover');
-                    } else {
-                        console.log('found other data-back');
-                        bg = constrainSrc(bg,targetWidth,targetHeight,'bg');
-                    }
+                    bg = constrainBg(bg,e.target);
                     if ( e.target.style.backgroundImage && -1 === e.target.style.backgroundImage.search(/^initial/) ) {
                         // Convert JSON for multiple URLs.
@@ -114 +86 @@
                     }
                 }
+                // Handle CSS images from SWIS.
+                swisLazyId = e.target.dataset.swisLazyId;
+                if (swisLazyId && swisLazyId in swis_lazy_css_images) {
+                    console.log('fetching CSS images for swisLazyId ' + swisLazyId);
+                    var css_images = swis_lazy_css_images[swisLazyId];
+                    var swisStyle  = document.querySelector('style#swis-lazy-css-styles');
+                    css_images.forEach(
+                        function(css_image){
+                            if (!css_image.url) {
+                                return;
+                            }
+                            if(ewww_webp_supported && css_image.webp_url) {
+                                console.log('webp supported, using webp url for css image');
+                                css_image.url = css_image.webp_url;
+                            }
+                            css_image.url = constrainBg(css_image.url,e.target);
+                            console.log('processing CSS image: ' + css_image.url + ' with hash ' + css_image.hash);
+                            var cssRule = css_image.selector + ' {--swis-bg-' + css_image.hash + ': url(' + css_image.url + '); }';
+                            swisStyle.sheet.insertRule(cssRule);
+                        }
+                    );
+                }
             }
         }, false);
     }
+
+    var constrainBg = function(bg,target){
+        if ( 0 === bg.search(/\[/) ) {
+            console.log('multiple URLs, not autoscaling background image');
+            return bg;
+        }
+        if (!shouldAutoScale(target)){
+            console.log('not autoscaling background image');
+            return bg;
+        }
+        var dPR = getdPR();
+        if ( dPR < eio_lazy_vars.bg_min_dpr ) {
+            dPR = eio_lazy_vars.bg_min_dpr;
+        }
+        var targetWidth  = Math.round(target.offsetWidth * dPR);
+        var targetHeight = Math.round(target.offsetHeight * dPR);
+        var bgType       = 'bg';
+        if (lazySizes.hC(target,'wp-block-cover')||lazySizes.hC(target,'wp-block-cover__image-background')){
+            console.log('found wp-block-cover with data-back');
+            if (lazySizes.hC(target,'has-parallax')) {
+                console.log('also has-parallax with data-back');
+                targetWidth  = Math.round(window.screen.width * dPR);
+                targetHeight = Math.round(window.screen.height * dPR);
+            } else if (targetHeight<300) {
+                targetHeight = 430;
+            }
+            bgType = 'bg-cover';
+        } else if (lazySizes.hC(target,'cover-image')){
+            console.log('found .cover-image with data-back');
+            bgType = 'bg-cover';
+        } else if (lazySizes.hC(target,'elementor-bg')){
+            console.log('found elementor-bg with data-back');
+            bgType = 'bg-cover';
+        } else if (lazySizes.hC(target,'et_parallax_bg')){
+            console.log('found et_parallax_bg with data-back');
+            bgType = 'bg-cover';
+        } else if (lazySizes.hC(target,'bg-image-crop')){
+            bgType = 'bg-cover';
+            console.log('found bg-image-crop with data-back');
+        } else {
+            console.log('found other data-back');
+        }
+        var imgAspect = getAspectRatio(target);
+        if ('bg' == bgType && targetHeight > 1 && targetWidth > 1 && imgAspect > 0) {
+            var minimum_width  = Math.ceil(targetHeight * imgAspect);
+            var minimum_height = Math.ceil(targetWidth / imgAspect);
+            console.log('minimum_width = ' + minimum_width + ', targetWidth = ' + targetWidth);
+            console.log('minimum_height = ' + minimum_height + ', targetHeight = ' + targetHeight);
+            if (targetWidth+2 < minimum_width) {
+                targetWidth = minimum_width;
+            }
+            if (targetHeight+2 < minimum_height) {
+                targetHeight = minimum_height;
+            }
+            var realDims = getRealDimensionsFromImg(target);
+            if (Math.abs(realDims.w - targetWidth) < 5 || Math.abs(realDims.h - targetHeight) < 5) {
+                console.log('real dimensions within 5px of target sizes, no scaling');
+                return bg;
+            }
+        }
+        bg = constrainSrc(bg,targetWidth,targetHeight,bgType);
+        return bg;
+    };
 
     var shouldAutoScale = function(target){
@@ -294 +351 @@
 
     var getRealDimensionsFromImg = function(img){
-        var realWidth = img.getAttribute('data-eio-rwidth');
-        var realHeight = img.getAttribute('data-eio-rheight');
+        var realWidth = img.dataset.eioRwidth;
+        var realHeight = img.dataset.eioRheight;
         if (realWidth > 1 && realHeight > 1) {
             return {w:realWidth,h:realHeight};
@@ -411 +468 @@
         }
         if (e.target._lazysizesWidth === undefined) {
+            if (!eio_lazy_vars.use_dpr && window.devicePixelRatio > 1) {
+                console.log('use_dpr is disabled, reversing auto-sizes by dpr ' + window.devicePixelRatio);
+                e.detail.width = Math.ceil(e.detail.width / window.devicePixelRatio);
+            }
             return;
         }
@@ -417 +478 @@
             console.log('no way! ' + e.detail.width + ' is smaller than ' + e.target._lazysizesWidth);
             e.detail.width = e.target._lazysizesWidth;
+        }
+        if (!eio_lazy_vars.use_dpr && window.devicePixelRatio > 1) {
+            console.log('use_dpr is disabled, reversing auto-sizes by dpr ' + window.devicePixelRatio);
+            e.detail.width = Math.ceil(e.detail.width / window.devicePixelRatio);
         }
     });

easy-image-optimizer/trunk/includes/lazysizes-pre.js

@@ -1 +1 @@
 if (typeof ewww_webp_supported === 'undefined') {
     var ewww_webp_supported = false;
+}
+if (typeof swis_lazy_css_images === 'undefined') {
+    var swis_lazy_css_images = {};
 }
 window.lazySizesConfig = window.lazySizesConfig || {};
@@ -18 +21 @@
 }
 console.log( 'root margin: ' + window.lazySizesConfig.expand );
+for ( const [css_index, css_image] of Object.entries(swis_lazy_css_images)){
+    console.log('processing css image ' + css_index + ': ' + css_image[0].url);
+    try {
+        document.querySelectorAll(css_image[0].selector).forEach((el) => {
+            if (!el.classList.contains('lazyload')) {
+                console.log('adding lazyload to css image ' + css_index + ': ' + css_image[0].url);
+                el.classList.add('lazyload');
+                el.dataset.swisLazyId = css_index;
+                if (css_image[0].rwidth > 5 && css_image[0].rheight > 5) {
+                    el.dataset.eioRwidth = css_image[0].rwidth;
+                    el.dataset.eioRheight = css_image[0].rheight;
+                }
+            }
+        });
+    } catch (e) {
+        console.log('error processing css image(s) for "' + css_index[0].selector + '": ' + e);
+    }
+}

easy-image-optimizer/trunk/includes/lazysizes.min.js

@@ -1 @@
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easy-image-optimizer/trunk/phpcs.ruleset.xml

@@ -32 +32 @@
             <element value="imgQuality"/>
             <element value="parentNode"/>
+            <element value="nodeName"/>
             <element value="nextSibling"/>
             <element value="documentElement"/>

easy-image-optimizer/trunk/readme.txt

@@ -2 +2 @@
 Contributors: nosilver4u
 Tags: image, resize, webp, lazy load, compress
-Tested up to: 6.8
-Stable tag: 4.2.1
+Tested up to: 6.9
+Stable tag: 4.3.0
 License: GPLv3
 
@@ -56 +56 @@
 * If you would like to help translate this plugin in your language, get started here: https://translate.wordpress.org/projects/wp-plugins/easy-image-optimizer/
 
+= 4.3.0 =
+*Release Date - November 18, 2025*
+
+* added: Lazy Load support for background images in external CSS files
+* added: View CDN bandwidth usage on settings page
+* changed: Lazy Load checks parent element for skip-lazy class
+* changed: Lazy Load auto-sizing honors High DPI setting
+* changed: Easy IO fills in 450px wide image when responsive (srcset) images have a gap
+* improved: Lazy Load performance when searching for img elements
+* improved: Lazy Load placeholder generation is faster and works better with Safari
+* fixed: Lazy Load for iframes breaks WP Remote Users Sync plugin
+
 = 4.2.1 =
 *Release Date - August 26, 2025*