Lexy::get_cached_file PHP Méthode

    protected function get_cached_file($file, $sandbox)
    {
        $cachedfile = $this->cachePath . '/' . md5($file) . '.lexy.php';
        if (!file_exists($cachedfile)) {
            $cachedfile = $this->cache_file($file, $cachedfile, null, $sandbox);
        }
        if ($cachedfile) {
            $mtime = filemtime($file);
            if (filemtime($cachedfile) != $mtime) {
                $cachedfile = $this->cache_file($file, $cachedfile, $mtime, $sandbox);
            }
            return $cachedfile;
        }
        return false;
    }