wp_cache_meta │ filter-hook │ WPSCache 1.0

Usage

add_filter( 'wp_cache_meta', 'wp_kama_cache_meta_filter' );

/**
 * Function for `wp_cache_meta` filter-hook.
 * 
 * @param  $wp_cache_meta 
 *
 * @return 
 */
function wp_kama_cache_meta_filter( $wp_cache_meta ){

	// filter...
	return $wp_cache_meta;
}

$wp_cache_meta

-

Where the hook is called

$wp_cache_meta            = apply_filters( 'wp_cache_meta', $wp_cache_meta );

Where the hook is used in WP Super Cache