post_gallery filter-hook . WP 2.5.0
Filters the default gallery shortcode output.
If the filtered output isn't empty, it will be used instead of generating the default gallery template.
Usage
add_filter( 'post_gallery', 'filter_function_name_4593', 10, 3 ); function filter_function_name_4593( $output, $attr, $instance ){ // filter... return $output; }
- $output(string)
- The gallery output.
Default: '' - $attr(array)
- Attributes of the gallery shortcode.
- $instance(int)
- Unique numeric ID of this gallery shortcode instance.
Notes
- Since 4.2.0 The
$instance
parameter was added.
Where the hook is called
wp-includes/media.php 1660
$output = apply_filters( 'post_gallery', '', $attr, $instance );