attributes(); ?> class="as_meta_text_file_2017 html_class(); ?>" > as_field; if (filter_var($value, FILTER_VALIDATE_URL) === false) { $chack = false; }else{ $chack = true; } return ($chack === true) ? true : false ; } public function sanitize_as_metadata($data) { return esc_url( $data ); } }