Support » Fixing WordPress » gallery loop

  • Hi all

    I’m using the standard WP gallery functionality & would like to modify the WP gallery loop to include the id of each attachment image.


    <img width=”150″ height=”150″ title=”imagetitle” alt=”imagealt” class=”attachment-thumbnail” src=”source-to-image-jpg”>

    Would like add the image id:

    <img width=”150″ height=”150″ title=”imagetitle” alt=”imagealt” id=”#id” class=”attachment-thumbnail” src=”source-to-image-jpg”>

    Is there a filter which a person can use for this or any other code to achieve this?


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  • Moderator keesiemeijer


    WordPress uses wp_get_attachment_link to display the gallery images. You can filter that function to add the ID. Example:

    add_filter( 'wp_get_attachment_link', 'add_image_attribute_id',10,6);
    function add_image_attribute_id($markup, $id, $size, $permalink, $icon, $text ) {
    	$pos = strpos($markup, '<img ');
    	if ($pos !== false) {
    		return substr_replace($markup, '<img id="image-' . $id . '" ', $pos, strlen('<img '));
    	return $markup;

    Thank you very much keesiemeijer. That worked 100%! 🙂

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