Filters the default gallery shortcode output.

If the filtered output isn’t empty, it will be used instead of generating the default gallery template.

• gallery_shortcode()

$output string

The gallery output. Default empty.

$attr array

Attributes of the gallery shortcode.

$instance int

Unique numeric ID of this gallery shortcode instance.

This filter allows plugins and themes to override the default gallery template (i.e. what the gallery shortcode returns).

File: wp-includes/media.php. View all references

$output = apply_filters( 'post_gallery', '', $attr, $instance );