fields = $form->get_fields(); $this->providers = ['default', 'flickr', 'google', 'smugmug', 'zenfolio', 'instagram']; } public static function get_instance() { if (self::$instance == null) { self::$instance = new Edit_Gallery_Templates(); } return self::$instance; } function render() { foreach ($this->providers as $provider) { ?> render();