public function getFileContent(array $options = array())
 {
     $content = parent::getFileContent($options);
     $content = trim($content);
     if (strncmp($content, '<?', 2) == 0) {
         $content = substr($content, 2);
         if (strncmp($content, 'php', 3) == 0) {
             $content = substr($content, 3);
         }
     }
     if (substr($content, -2, 2) == '?>') {
         $content = substr($content, 0, -2);
     }
     $content = trim($content, " \n\r\v");
     return $content;
 }