mkormendy
10/20/2015 - 2:56 PM

This code adds a rel attribute to output gallery link tags for custom lightbox scripts to allow the JavaScript to pick them up as a lightbox

This code adds a rel attribute to output gallery link tags for custom lightbox scripts to allow the JavaScript to pick them up as a lightbox.

gallery-rel-attribute.php
content_copyfile_download
// Add rel tag to gallery images (Used for some Lightbox plugins / code)

function addlightboxrel_replace($content){

	global $post;

	$pattern = "/<a(.*?)href=('|")([^>]*).(bmp|gif|jpeg|jpg|png)('|")(.*?)>(.*?)</a>/i";

	$replacement = '<a$1href=$2$3.$4$5 rel="gallery"$6>$7';

	$content = preg_replace($pattern, $replacement, $content);

	return $content;

}

add_filter('the_content', 'addlightboxrel_replace', 12);

add_filter('get_comment_text', 'addlightboxrel_replace');