function follow_redirects($url,$timeout=5)
{
     $ch = curl_init($url);
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
     curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
     curl_setopt($ch, CURLOPT_NOBODY, true);
     curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
     curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
     curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1) Gecko/20061024 BonEcho/2.0");

     $html = curl_exec($ch);
     $info = array();
     if(!curl_errno($ch))
     {
          $info = curl_getinfo($ch);
          return $info['url'];
     }
     return $url;
}

Follow redirects

redirect

PHP