WordPress at a glance
filter is not described

cached_mobile_groups filter-hook . WPSCache 1.0

Usage

add_filter( 'cached_mobile_groups', 'filter_function_name_544' );
function filter_function_name_544( $array ){
	// filter...

	return $array;
}
$array
-

Where the hook is called

wp_cache_manager()
cached_mobile_groups
wp-super-cache/wp-cache.php 797
$mobile_groups = apply_filters( 'cached_mobile_groups', array() ); // Group mobile user agents by capabilities. Lump them all together by default

Where in WP core the hook is used WP Super Cache

Usage not found.