Horde_Image_Base::getLoadedEffects PHP Метод

    public function getLoadedEffects()
    {
        if (!count($this->_loadedEffects)) {
            $class = str_replace('Horde_Image_', '', get_class($this));
            $this->_loadedEffects = array();
            // First, load the driver-agnostic Effects.
            $path = __DIR__ . '/Effect/';
            if (is_dir($path)) {
                if ($handle = opendir($path)) {
                    while (($file = readdir($handle)) !== false) {
                        if (substr($file, -4, 4) == '.php') {
                            $this->_loadedEffects[] = substr($file, 0, strlen($file) - 4);
                        }
                    }
                }
            }
            // Driver specific effects.
            $path = $path . $class;
            if (is_dir($path)) {
                if ($handle = opendir($path)) {
                    while (($file = readdir($handle)) !== false) {
                        if (substr($file, -4, 4) == '.php') {
                            $this->_loadedEffects[] = substr($file, 0, strlen($file) - 4);
                        }
                    }
                }
            }
        }
        return $this->_loadedEffects;
    }