ID;
/* Find internal image links */
// Check the page for link images direct to image (no trailing attributes)
$regex_search = '/<\/a>/i';
preg_match_all($regex_search, $content, $matches, PREG_SET_ORDER);
// Check which image is referenced
foreach ($matches as $val)
{
$caption = '';
$image = get_post($val[5]);
$caption = esc_attr( $image->post_content );
//Replace the instance with the lightbox and title(caption) references. Won't fail if caption is empty.
$string = '';
$replace = '';
$content = str_replace($string, $replace, $content);
}
/* Find links created by [gallery] shortcode */
// Check the page for link images direct to image (no trailing attributes)
$regex_search = '/<\/a>/i';
if (preg_match($regex_search, $content))
{
$attachments = get_children( array('post_parent' => $id, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image') );
foreach ($attachments as $num => $attachment)
{
// Then re-arrange the link to include the caption and rel="lightbox"
// Note quote usage: from [gallery] shortcode
$caption = esc_attr( $attachment->post_content );
$pattern = "/<\/a>/i";
$replace = '';
$content = preg_replace($pattern, $replace, $content, 1);
}
}
return $content;
}