elFinderVolumeFTP::_fopen PHP Method

    protected function _fopen($path, $mode = 'rb')
    {
        // try ftp stream wrapper
        if ($this->options['mode'] == 'passive' && ini_get('allow_url_fopen')) {
            $url = 'ftp://' . $this->options['user'] . ':' . $this->options['pass'] . '@' . $this->options['host'] . ':' . $this->options['port'] . $path;
            if (strtolower($mode[0]) === 'w') {
                $context = stream_context_create(array('ftp' => array('overwrite' => true)));
                $fp = fopen($url, $mode, false, $context);
            } else {
                $fp = fopen($url, $mode);
            }
            if ($fp) {
                return $fp;
            }
        }
        if ($this->tmp) {
            $local = $this->getTempFile($path);
            $fp = fopen($local, 'wb');
            if (ftp_fget($this->connect, $fp, $path, FTP_BINARY)) {
                fclose($fp);
                $fp = fopen($local, $mode);
                return $fp;
            }
            fclose($fp);
            is_file($local) && unlink($local);
        }
        return false;
    }