update

Update records in a table.

• table [string]

  The name of the table.

• data [array]

  The column-value pairs to update.

• where [array] (optional)

  The WHERE clause used to filter the records to be updated.

Return Value

class Foo {
	var $bar = "cat";

	public function __wakeup()
	{
		$this->bar = "dog";
	}
}

$object_data = new Foo();

$fp = fopen($_FILES[ "file" ][ "tmp_name" ], "rb");

$database->update("account", [
	"type" => "user",

	// Increase all ages by 1.
	"age[+]" => 1,

	// Decrease all levels by 5.
	"level[-]" => 5,

	// Multiply all scores by 2.
	"score[*]" => 2,

	// Array value.
	"lang" => ["en", "fr", "jp", "cn"],

	// Array value encoded as JSON.
	"lang [JSON]" => ["en", "fr", "jp", "cn"],

	// Boolean value.
	"is_locked" => true,

	// Object value.
	"object_data" => $object_data,

	// Large Objects (LOBs).
	"image" => $fp
], [
	"user_id[<]" => 1000
]);

// `update()` returns a PDOStatement, so you can call its methods for additional details.
$data = $database->update("account", [
	"age[+]" => 1
], [
	"user_id[>]" => 100
]);

// Returns the number of rows affected by the last SQL statement.
echo $data->rowCount();

// Reference: https://php.net/manual/en/class.pdostatement.php