Curl через прокси

<?php
function get($url,$proxy) { 
        $ch = curl_init();   
        curl_setopt($ch, CURLOPT_PROXY, "$proxy"); 
        $ss=curl_exec($ch); 
        curl_close($ch); 
        return $ss; 
} 
 
      $prox = '62.159.143.172:80';
      $a=get('http://2ip.ru/',$prox); 
      echo $a;
 
?>

    protected function getContent($url, $referer = null, $proxies = array(null))
    {
        $proxies = (array) $proxies;
        $steps = count($proxies);
        $step = 0;
        $try = true;
        while($try){
            // create curl resource
            $ch = curl_init();
            $proxy = isset($proxies[$step]) ? $proxies[$step] : null;
 
            curl_setopt($ch, CURLOPT_HEADER, 0);
            curl_setopt($ch, CURLOPT_REFERER, $referer);
            curl_setopt($ch, CURLOPT_USERAGENT, "Opera/9.80 (Windows NT 5.1; U; ru) Presto/2.9.168 Version/11.51");
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_PROXY, $proxy);
            curl_setopt($ch, CURLOPT_TIMEOUT, 10);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); //return the transfer as a string
            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
 
            $output = curl_exec($ch); // get content
            $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); // Получаем HTTP-код
 
            // close curl resource to free up system resources
            curl_close($ch);
 
            $step++;
            $try = (($step < $steps) && ($http_code != 200));
        }
        return $output;
    }

$proxy = file('file/proxy.txt');
 
function sdf_url_content($_url)
{
$r=array();
$r['content']='';
$r['header']='';
$r['error']=0;
$options=curl_init();
curl_setopt($options,CURLOPT_URL,$_url);
curl_setopt($options, CURLOPT_PROXYTYPE, $proxycurl);
global $proxy;
curl_setopt($options, CURLOPT_PROXY, trim($proxy[array_rand($proxy)]));
global $curlopt_useragent;
curl_setopt($options,CURLOPT_USERAGENT,$curlopt_useragent);
curl_setopt($options, CURLOPT_COOKIE, $cookie);
curl_setopt($options, CURLOPT_COOKIEFILE, "file/cookie.txt");
curl_setopt($options, CURLOPT_COOKIEJAR, "file/cookie.txt");
curl_setopt($options,CURLOPT_TIMEOUT,60);
curl_setopt($options,CURLOPT_MAXCONNECTS,1);
curl_setopt($options,CURLOPT_AUTOREFERER,1);
curl_setopt($options,CURLOPT_SSL_VERIFYPEER,0);
curl_setopt($options,CURLOPT_SSL_VERIFYHOST,0);
$loops=1;
$loops_max=20;
curl_setopt($options,CURLOPT_HEADER,1);
curl_setopt($options,CURLOPT_RETURNTRANSFER,1);
while ($loops<$loops_max)
{ $data=@curl_exec($options);
  $header=@curl_getinfo($options);
  @list($location,$data)=@explode("\r\n\r\n",$data,2);
  if (($header['http_code']==301)||($header['http_code']==302))
  { preg_match('#(Location:)(.*)#i',$location,$url_);
    if (isset($url_[2])) { $url=trim($url_[2]); } else { $url=''; }
    if ($url=='')
    { $r['error']=1;
      break;
    }
    curl_setopt($options,CURLOPT_URL,$url);
    $loops++;
    continue;
  }
  if ($header['http_code']==200)
  { $r['content']=$data;
    $r['header']=$header;
    break;
  }
  else
  { $r['content']='';
    $r['header']=$header;
    break;
  }
}
return $r;
}