How to Add REL="LIGHTBOX" to native Galleries
So I’ve seen this post on the forums before, but none of the solutions which don’t involve editing core files actually work.
The only solution that does work is to edit /wp-includes/post-template.php on line 1170 (in WP 3.1):
return apply_filters( ‘wp_get_attachment_link’, “$link_text“, $id, $size, $permalink, $icon, $text );
Can anyone explain how this could be put into the functions.php file instead of editing the core file?
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