fetch some url through tor

fetcher.php

<?php

class Fetcher
{
	
    private $_torIp = '127.0.0.1';
	
    private $_torProxyPort = '8118';
	
    protected function _request($url) 
    {
        $res = curl_init();
        curl_setopt_array($res, array(
            CURLOPT_PROXY => $this->_torIp . ':' . $this->_torProxyPort,
            CURLOPT_CONNECTTIMEOUT => 10,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_URL => $url,
            CURLOPT_HEADER => false,
        ));
        $response = curl_exec($res);
        if (curl_getinfo($res, CURLINFO_HTTP_CODE) != '200') {
            return false;
        }
        curl_close($res);
	return $response;
    }
}

tor.php

<?php

class Tor
{

    private static $_torIp;

    private static $_torPort;

    public static function newIdentity()
    {
        $fp = fsockopen(self::$_torIp, self::$_torPort, $errno, $errstr,
        if (! $fp) {
	    return false; 
	}
	 
        fputs($fp, "AUTHENTICATE\r\n");
        $response = fread($fp, 1024);
        list($code, $text) = explode(' ', $response, 2);
        if ($code != '250') {
            return false;
        }
	 
        fputs($fp, "signal NEWNYM\r\n");
        $response = fread($fp, 1024);
        list($code, $text) = explode(' ', $response, 2);
        if ($code != '250') {
            return false;
        } 
        fclose($fp);
        return true;
    }

}