public static function init($document = NULL, $http = '') { if (!isset($_SESSION)) { session_start(); } self::$document = $_SERVER['DOCUMENT_ROOT'] . '/'; if ($document !== NULL) { self::$document .= rtrim($document, '/') . '/'; } self::$http = rtrim($http, '/') . '/'; self::$classes = explode(', ', self::$class_list); /*foreach ($classes as $c) { self::getClass(trim($c)); }*/ }