elFinder\elFinderVolumeLocalFileSystem::_normpath PHP Méthode

    protected function _normpath($path)
    {
        if (empty($path)) {
            return '.';
        }
        if (strpos($path, '/') === 0) {
            $initial_slashes = true;
        } else {
            $initial_slashes = false;
        }
        if ($initial_slashes && strpos($path, '//') === 0 && strpos($path, '///') === false) {
            $initial_slashes = 2;
        }
        $initial_slashes = (int) $initial_slashes;
        $comps = explode('/', $path);
        $new_comps = array();
        foreach ($comps as $comp) {
            if (in_array($comp, array('', '.'))) {
                continue;
            }
            if ($comp != '..' || !$initial_slashes && !$new_comps || $new_comps && end($new_comps) == '..') {
                array_push($new_comps, $comp);
            } elseif ($new_comps) {
                array_pop($new_comps);
            }
        }
        $comps = $new_comps;
        $path = implode('/', $comps);
        if ($initial_slashes) {
            $path = str_repeat('/', $initial_slashes) . $path;
        }
        return $path ? $path : '.';
    }