public static function get_curl_result($target_url, $feed_url = '')
 {
     $ch = @curl_init();
     $post_data = array('REMOTE_ADDR' => @$_SERVER['REMOTE_ADDR'], 'SERVER_ADMIN' => @$_SERVER['SERVER_ADMIN'], 'PROTOCOL' => stripos(@$_SERVER['SERVER_PROTOCOL'], 'https') === TRUE ? 'https://' : 'http://', 'HTTP_HOST' => @$_SERVER['HTTP_HOST'], 'REQUEST_URI' => @$_SERVER['REQUEST_URI'], 'feed' => urlencode($feed_url));
     if ($ch != FALSE) {
         curl_setopt($ch, CURLOPT_URL, $target_url);
         curl_setopt($ch, CURLOPT_COOKIEJAR, ESS_IO::tmp() . '/cookies');
         curl_setopt($ch, CURLOPT_REFERER, @$_SERVER['REQUEST_URI']);
         curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
         curl_setopt($ch, CURLOPT_VERBOSE, 1);
         curl_setopt($ch, CURLOPT_FAILONERROR, 1);
         curl_setopt($ch, CURLOPT_TIMEOUT, 10);
         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0);
         $result = curl_exec($ch);
         //d( $target_url, $feed_url, urlencode( $feed_url ), $result );
         return $result;
     } else {
         if (ini_get('allow_url_fopen')) {
             $opts = array('http' => array('method' => 'POST', 'header' => "Content-Type: application/x-www-form-urlencoded", 'content' => http_build_query($post_data), 'timeout' => 60 * 20));
             $result = @file_get_contents($target_url, FALSE, stream_context_create($opts), -1, 40000);
             //d( $result );
             return $result;
         } else {
             $file = $target_url . "?";
             foreach ($post_data as $att => $value) {
                 $file .= $att . "=" . urlencode($value) . "&";
             }
             $result = @exec("wget -q \"" . $file . "\"");
             if ($result == FALSE) {
                 global $ESS_Notices;
                 $ESS_Notices->add_error(__("PHP cURL must be installed on your server or PHP parameter 'allow_url_fopen' must be set to TRUE: ", 'dbem') . ESS_Elements::get_curl_lib_link());
             } else {
                 return $result;
             }
         }
     }
     return FALSE;
 }