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<?php |
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namespace ImageOptimization; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; // Exit if accessed directly. |
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} |
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|
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/** |
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* Class Plugin |
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* Main Plugin class |
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*/ |
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class Plugin { |
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/** |
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* Instance |
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* |
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* @access public |
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* @static |
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* |
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* @var Plugin The single instance of the class. |
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*/ |
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public static $instance = null; |
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|
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/** |
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* Modules Manager |
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* @var null|Manager |
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*/ |
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public $modules_manager = null; |
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|
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/** |
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* class aliases |
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* @access private |
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* @var array |
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*/ |
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private $classes_aliases = []; |
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|
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/** |
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* Instance |
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* |
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* Ensures only one instance of the class is loaded or can be loaded. |
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* |
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* @access public |
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* |
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* @return Plugin An instance of the class. |
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*/ |
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public static function instance() { |
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if ( is_null( self::$instance ) ) { |
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self::$instance = new self(); |
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} |
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|
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return self::$instance; |
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} |
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|
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public function autoload( $class ) { |
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if ( 0 !== strpos( $class, __NAMESPACE__ ) ) { |
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return; |
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} |
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|
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$has_class_alias = isset( $this->classes_aliases[ $class ] ); |
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|
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// Backward Compatibility: Save old class name for set an alias after the new class is loaded |
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if ( $has_class_alias ) { |
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$class_alias_name = $this->classes_aliases[ $class ]; |
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$class_to_load = $class_alias_name; |
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} else { |
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$class_to_load = $class; |
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} |
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|
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if ( ! class_exists( $class_to_load ) ) { |
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$filename = strtolower( |
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preg_replace( |
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[ '/^' . __NAMESPACE__ . '\\\/', '/([a-z])([A-Z])/', '/_/', '/\\\/' ], |
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[ '', '$1-$2', '-', DIRECTORY_SEPARATOR ], |
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$class_to_load |
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) |
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); |
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$filename = IMAGE_OPTIMIZATION_PATH . $filename . '.php'; |
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|
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if ( is_readable( $filename ) ) { |
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include $filename; |
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} |
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} |
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|
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if ( $has_class_alias ) { |
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class_alias( $class_alias_name, $class ); |
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} |
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} |
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|
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private function includes() { |
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require_once IMAGE_OPTIMIZATION_PATH . 'includes/modules-manager.php'; |
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$this->modules_manager = new Manager(); |
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} |
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|
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/** |
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* Plugin class constructor |
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* |
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* Register plugin action hooks and filters |
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* |
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* @access public |
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*/ |
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public function __construct() { |
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static $autoloader_registered = false; |
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if ( ! $autoloader_registered ) { |
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$autoloader_registered = spl_autoload_register( [ $this, 'autoload' ] ); |
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} |
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$this->includes(); |
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} |
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} |
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// Instantiate Plugin Class |
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Plugin::instance(); |
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|
