elFinder\elFinderVolumeDriver::gettmb PHP Method

    protected function gettmb($path, $stat)
    {
        if ($this->tmbURL && $this->tmbPath) {
            // file itself thumnbnail
            if (strpos($path, $this->tmbPath) === 0) {
                return basename($path);
            }
            $name = $this->tmbname($stat);
            if (file_exists($this->tmbPath . DIRECTORY_SEPARATOR . $name)) {
                return $name;
            }
        }
        return false;
    }