[code]

function g5_delete_cache_by_prefix($key){

    $cache = get_cachemanage_instance();

    $files = null;

    if( (is_object($cache) && get_class($cache) === 'FileCache') ) {

        $files = glob(G5_DATA_PATH.'/cache/'.$key.'*');

        foreach( (array) $files as $filename){

            if(empty($filename)) continue;

            unlink($filename);

        }

    }

    $files = run_replace('g5_delete_cache_by_prefix', $files, $key, $cache);

    return ($files) ? true : false;

}

[/code]