Description
The “xclusive_first_gallery_image” filter allows to change the default gallery image displayed in archive pages. Version 1.1.0+.
A plugin (or theme) can add a filter with the code:
<?php add_filter( 'xclusive_first_gallery_image', 'filter_function_name' ); ?>
The hook is located in the _inc/custom.php file.
Example
// apply action function filter_xclusive_first_gallery_image( $image_link, $images, $image ) { return '<a class="image url" title="title" href="#" rel="bookmark">'. $image .'</a>'; } add_filter('xclusive_first_gallery_image', 'filter_xclusive_first_gallery_image', 20, 3);
Note: $image_link is a string, $images is an array, $image is a string.