original_string: public static function uuidgen($prefix = '', $suffix = '', $uppercase = true) {
          $uuid = trim(sprintf('%s%04x%04x%s', $prefix, mt_rand(0, 65535), mt_rand(0, 65535), $suffix));
          $result = $uppercase ? strtoupper($uuid) : strtolower($uuid);
          return $result;
      }
code: public static function uuidgen($prefix = '', $suffix = '', $uppercase = true) {
          $uuid = trim(sprintf('%s%04x%04x%s', $prefix, mt_rand(0, 65535), mt_rand(0, 65535), $suffix));
          $result = $uppercase ? strtoupper($uuid) : strtolower($uuid);
          return $result;
      }
code_tokens: public static function uuidgen ( $ prefix = '' , $ suffix = '' , $ uppercase = true ) { $ uuid = trim ( sprintf ( '%s%04x%04x%s' , $ prefix , mt_rand ( 0 , 65535 ) , mt_rand ( 0 , 65535 ) , $ suffix ) ) ; $ result = $ uppercase ? strtoupper ( $ uuid ) : strtolower ( $ uuid ) ; return $ result ; }
docstring: Generates unique identifier
  @param string $prefix
  @param string $suffix
  @return string
docstring_tokens: Generates unique identifier