PHP imgUtils::allowedFileTypes示例

 function determineHandle($filename)
 {
     require_once JPATH_RSGALLERY2_ADMIN . '/includes/audio.utils.php';
     require_once JPATH_RSGALLERY2_ADMIN . '/includes/video.utils.php';
     $ext = strtolower(JFile::getExt($filename));
     if (in_array($ext, imgUtils::allowedFileTypes())) {
         return 'imgUtils';
     } else {
         if (in_array($ext, videoUtils::allowedFileTypes())) {
             return 'videoUtils';
         } else {
             if (in_array($ext, audioUtils::allowedFileTypes())) {
                 return 'audioUtils';
             } else {
                 return false;
             }
         }
     }
 }