Beitragsbilder in der Divi-Lightbox öffnen

add_action('wp_footer', 'open_featured_image_in_lightbox');
add_filter('et_pb_index_blog_image_width', 'set_featured_image_max_width');
add_filter('et_pb_index_blog_image_height', 'set_featured_image_max_height');

if (!function_exists('open_featured_image_in_lightbox')) {
	function open_featured_image_in_lightbox() {
		?>
		<script>
		jQuery(function($){
			$featured_img = $('body.single article.post .et_post_meta_wrapper > img');
			$featured_img.wrap('<a class="et_pb_lightbox_image"></a>');
			$featured_img.each(function(){
				$(this).parent().attr('href', $(this).attr('src'));
			});
		});
		</script>
		<?php
	}
}

if (!function_exists('set_featured_image_max_width')) {
	function set_featured_image_max_width($width) {
		return max($width, 9999);
	}
}

if (!function_exists('set_featured_image_max_height')) {
	function set_featured_image_max_height($height) {
		return max($height, 9999);
	}
}