function curl($url='', $post='', $referer='', $proxy='')
{
        $cl = curl_init();
    curl_setopt($cl, CURLOPT_URL, $url);
    curl_setopt($cl, CURLOPT_RETURNTRANSFER,1);
    curl_setopt($cl, CURLOPT_USERAGENT, 'Opera/9.80 (Windows NT 6.1; U; ru) Presto/2.2.15 Version/10.10');
   #curl_setopt($cl, CURLOPT_ENCODING, 'gzip, deflate'); 
    curl_setopt($cl, CURLOPT_COOKIEJAR, $_SERVER['DOCUMENT_ROOT'].'/cookie.txt');
    curl_setopt($cl, CURLOPT_COOKIEFILE, $_SERVER['DOCUMENT_ROOT'].'/cookie.txt');
    if(!empty($post)) {
   curl_setopt($cl, CURLOPT_POST, 1); 
   
   curl_setopt($cl, CURLOPT_POSTFIELDS, $post);}
      else{
      curl_setopt($cl, CURLOPT_POST, 0);}
      
    if(!empty($referer)){
      curl_setopt($cl, CURLOPT_REFERER, $referer);}
      else{
      curl_setopt($cl,CURLOPT_REFERER, 1);}
      
    if(!empty($proxy)) {
   curl_setopt($cl, CURLOPT_PROXY, $proxy);}
   
    $ex=curl_exec($cl);
   #$ex=iconv('cp1251','UTF8',$ex);
    curl_close($cl);
        return $ex;
}

$urls="www.yandex.ru/";
$content=curl($urls,'','','');

preg_match('#<div class="b-footer__level">(.+?)</a></div>#', $content, $results);

$x=iconv('UTF-8','windows-1251',$results[0]);
echo $x;