<?php /** * Class Optml_shortcode_ultimate. * * @reason The gallery output contains a different src attribute used for lazyload * which prevented optimole to parse the tag. */ class Optml_foogallery extends Optml_compatibility { /** * Should we load the integration logic. * * @return bool Should we load. */ function should_load() { include_once( ABSPATH . 'wp-admin/includes/plugin.php' ); return is_plugin_active( 'foogallery/foogallery.php' ); } /** * Register integration details. */ public function register() { add_filter( 'optml_possible_src_attributes', [ $this, 'add_lazysrc' ], 10, 3 ); add_filter( 'optml_possible_lazyload_flags', [ $this, 'add_lazysrc' ], 10, 3 ); } /** * Add foogallery lazysrc attribute. * * @param array $attributes Old src attributes. * * @return array New src attributes. */ function add_lazysrc( $attributes = [] ) { $attributes[] = 'data-src-fg'; return $attributes; } }