zitrusblau

<div class="fluid-embed">
  <iframe frameborder="0" allow="autoplay; encrypted-media" allowfullscreen="" class="lazyload" data-src="https://www.youtube.com/embed/4rfnJPhgd9E?feature=oembed"></iframe>
</div>

zitrusblau

<?php
defined('ABSPATH') or die("Nothing to see!");
/*
  Plugin Name: Lazy Loading Responsive Images
  Plugin URI: https://florianbrinkmann.de/1122/responsive-images-und-lazy-loading-in-wordpress/
  Description: Lazy loading Images plugin that works with responsive images introduced in Wordpress 4.4.
  Version: 3.0
  Author: Florian Brinkmann, MarcDK
  Author URI: http://www.marc.tv
  License: GPL v2 - http://www.gnu.org/licenses/old-licenses/gpl-2.0.html

zitrusblau

add_action('init', function() { // workaround to get correct field_object for regions filter, if searchwp admin search is enabled
  
  $regions_field = get_field_object('field_552bd08a5e8bf', false, array('load_value' => false));

  // add filter by region for member data
  add_action( 'restrict_manage_posts', function () use($regions_field) {
    global $pagenow, $current_screen, $typenow;

    if ( $pagenow != 'edit.php' OR $current_screen->post_type != 'mitglieder' OR $typenow != 'mitglieder' )
      return;