Error  (XHP31) Use Of PHP 5.3 Features
 This codebase targets PHP 5.2.3, but `curlfile` was not introduced until
 PHP 5.5.0.

          532       // use this "@" stuff.
          533 
          534       if (class_exists('CURLFile')) {
 >>>      535         $file_value = new CURLFile((string)$tmp, $info['mime'], $info['name']);
          536       } else {
          537         $file_value = '@'.(string)$tmp;
          538       }