File Content: ajax.php <?php defined( 'ABSPATH' ) || exit; if ( ! class_exists( 'UIPro_El_UIGallery_Ajax' ) ) { require_once __DIR__.'/helper.php'; class UIPro_El_UIGallery_Ajax{ protected static $instance; public function __construct() { $this -> hooks(); } public function hooks(){ add_action('wp_ajax_templaza_ui_gallery_loadmore', array($this,'templaza_ui_gallery_loadmore_ajax_handler') ); // wp_ajax_{action} add_action('wp_ajax_nopriv_templaza_ui_gallery_loadmore', array($this,'templaza_ui_gallery_loadmore_ajax_handler')); // wp_ajax_nopriv_{action} } public function templaza_ui_gallery_loadmore_ajax_handler(){ // prepare our arguments for the query $instance = json_decode(base64_decode($_POST['settings']), true) ; $gallery = ( isset( $instance['gallery'] ) && $instance['gallery'] ) ? $instance['gallery'] : array(); $limit = ( isset( $instance['limit'] ) && $instance['limit'] ) ? $instance['limit'] : 4; $max_num_pages = intdiv(count($gallery), $limit); if ( count($gallery) % $limit ) { $max_num_pages++; } $paged = $_POST['page'] + 1; // we need next page to be loaded $gallery = array_slice($gallery, ($paged-1)*$limit, $limit); $output = ''; foreach ($gallery as $item) { include plugin_dir_path(__FILE__).'tpl/post_item.php'; } echo $output; die; // here we exit the script and even no wp_reset_query() required! } /** * Instance. */ public static function instance() { if ( is_null( self::$instance ) ) { self::$instance = new self(); } } } } UIPro_El_UIGallery_Ajax::instance(); Submit