original_string: protected function isMimetypeAllowed($filename, $default = "")
      {
          $numAllowed = sizeof($this->allowedMimeTypes);
          $numDenied = sizeof($this->deniedMimeTypes);
  
          if ($numAllowed == 0 && $numDenied == 0) {
              return true;
          }
  
          /**
           * Try to retrieve the mime type of the file
           */
          // first, try as an image. May cause exception if not an image, so do not trigger errors
          if (@($data = getimagesize($filename))) {
              $mimetype = $data['mime'];
          } else {
              if (function_exists('finfo_open') && function_exists('finfo_file')) {
                  $finfo = finfo_open(FILEINFO_MIME_TYPE); // return mime type ala mimetype extension
                  $mimetype = finfo_file($finfo, $filename);
                  finfo_close($finfo);
              } else {
                  // this is deprecated
                  $mimetype = function_exists('mime_content_type') ? mime_content_type($filename) : $default;
              }
          }
  
          // validate the mime type agains the white and blacklists
          if ($numAllowed > 0 && !in_array($mimetype, $this->allowedMimeTypes)) {
              return false;
          }
          if ($numDenied > 0 && in_array($mimetype, $this->deniedMimeTypes)) {
              return false;
          }
  
          return true;
      }
code: protected function isMimetypeAllowed($filename, $default = "")
      {
          $numAllowed = sizeof($this->allowedMimeTypes);
          $numDenied = sizeof($this->deniedMimeTypes);
  
          if ($numAllowed == 0 && $numDenied == 0) {
              return true;
          }
  
          /**
           * Try to retrieve the mime type of the file
           */
          // first, try as an image. May cause exception if not an image, so do not trigger errors
          if (@($data = getimagesize($filename))) {
              $mimetype = $data['mime'];
          } else {
              if (function_exists('finfo_open') && function_exists('finfo_file')) {
                  $finfo = finfo_open(FILEINFO_MIME_TYPE); // return mime type ala mimetype extension
                  $mimetype = finfo_file($finfo, $filename);
                  finfo_close($finfo);
              } else {
                  // this is deprecated
                  $mimetype = function_exists('mime_content_type') ? mime_content_type($filename) : $default;
              }
          }
  
          // validate the mime type agains the white and blacklists
          if ($numAllowed > 0 && !in_array($mimetype, $this->allowedMimeTypes)) {
              return false;
          }
          if ($numDenied > 0 && in_array($mimetype, $this->deniedMimeTypes)) {
              return false;
          }
  
          return true;
      }
code_tokens: protected function isMimetypeAllowed ( $ filename , $ default = "" ) { $ numAllowed = sizeof ( $ this -> allowedMimeTypes ) ; $ numDenied = sizeof ( $ this -> deniedMimeTypes ) ; if ( $ numAllowed == 0 && $ numDenied == 0 ) { return true ; } /**
           * Try to retrieve the mime type of the file
           */ // first, try as an image. May cause exception if not an image, so do not trigger errors if ( @ ( $ data = getimagesize ( $ filename ) ) ) { $ mimetype = $ data [ 'mime' ] ; } else { if ( function_exists ( 'finfo_open' ) && function_exists ( 'finfo_file' ) ) { $ finfo = finfo_open ( FILEINFO_MIME_TYPE ) ; // return mime type ala mimetype extension $ mimetype = finfo_file ( $ finfo , $ filename ) ; finfo_close ( $ finfo ) ; } else { // this is deprecated $ mimetype = function_exists ( 'mime_content_type' ) ? mime_content_type ( $ filename ) : $ default ; } } // validate the mime type agains the white and blacklists if ( $ numAllowed > 0 && ! in_array ( $ mimetype , $ this -> allowedMimeTypes ) ) { return false ; } if ( $ numDenied > 0 && in_array ( $ mimetype , $ this -> deniedMimeTypes ) ) { return false ; } return true ; }
docstring: Check if the mime type of the given file is allowed.
  
  If we cannot fetch the mime type of the given filename, the $default will be used.
  
  @param string $filename
  @param string $default
  @return bool
docstring_tokens: Check if the mime type of the given file is allowed .