ElggFileCache::__destruct PHP Méthode

    public function __destruct()
    {
        // @todo Check size and age, clean up accordingly
        $size = 0;
        $dir = $this->getVariable("cache_path");
        // Short circuit if both size and age are unlimited
        if ($this->getVariable("max_age") == 0 && $this->getVariable("max_size") == 0) {
            return;
        }
        $exclude = array(".", "..");
        $files = scandir($dir);
        if (!$files) {
            throw new \IOException($dir . " is not a directory.");
        }
        // Perform cleanup
        foreach ($files as $f) {
            if (!in_array($f, $exclude)) {
                $stat = stat($dir . $f);
                // Add size
                $size .= $stat['size'];
                // Is this older than my maximum date?
                if ($this->getVariable("max_age") > 0 && time() - $stat['mtime'] > $this->getVariable("max_age")) {
                    unlink($dir . $f);
                }
                // @todo Size
            }
        }
    }