Jarves\Cache\Backend\Files::doSet PHP Méthode

    protected function doSet($key, $value, $timeout = 0)
    {
        $path = $this->getPath($key);
        if (!is_dir(dirname($path))) {
            mkdir(dirname($path), 0777, true);
        }
        if ($this->useJson) {
            $value = json_encode($value);
        } else {
            $value = '<' . "?php \nreturn " . var_export($value, true) . ";\n";
        }
        $h = fopen($path, 'w');
        if (!$h) {
            return false;
        }
        $maxTries = 400;
        //wait max. 2 seconds, otherwise force it
        $tries = 0;
        while (!flock($h, LOCK_EX) and $tries <= $maxTries) {
            usleep(1000 * 5);
            //5ms
            $tries++;
        }
        fwrite($h, $value);
        flock($h, LOCK_UN);
        fclose($h);
        return true;
    }