17         $mtime = @filemtime($path);
18         return $this->appendVersionToUrl($url, $mtime ? (int)$mtime : 0);
33         $mtime = @filemtime($file);
34         return $mtime ? (int)$mtime : 0;
37     private function appendVersionToUrl(string $url, int $mtime): string {  argument
38         if ($url === '' || $mtime <= 0) return $url;
40         return $url . $sep . 'pi_ts=' . $mtime;
393     public function getDefaultIconUrl(array $params = ['w' => 55], ?int &$mtime = null) {  argument
396             $mtime = $this->getMediaMTime((string)$mediaID);
399             return $this->appendVersionToUrl($url, $mtime);
402         $mtime = 0;
414     public function getDefaultImageIcon(array $params = ['w' => 55], ?int &$mtime = null) {  argument
415         return $this->getDefaultIconUrl($params, $mtime);
428         ?int &$mtime = null,
434                 return $this->getDefaultIconUrl($params, $mtime);
436             $mtime = 0;
440         $mtime = $this->getMediaMTime((string)$mediaID);
443         return $this->appendVersionToUrl($url, $mtime);
456         ?int &$mtime = null,
459         return $this->getPageIconUrl($namespace, $pageID, $size, $params, $mtime, $withDefault);
471         ?int &$mtime = null,
477                 return $this->getDefaultIconUrl($params, $mtime);
479             $mtime = 0;
483         $mtime = $this->getMediaMTime((string)$iconMediaID);
486         return $this->appendVersionToUrl($url, $mtime);
498         ?int &$mtime = null,
501         return $this->getMediaIconUrl($mediaID, $size, $params, $mtime, $withDefault);