Jarves\Objects::getObjectKey PHP Method

    public function getObjectKey($url)
    {
        if (0 === strpos($url, 'object://')) {
            $url = substr($url, strlen('object://'));
        }
        $idx = strpos($url, '/');
        if (false === $idx) {
            return false;
        }
        $idx = $idx + strpos(substr($url, $idx + 1), '/');
        return static::normalizeObjectKey(substr($url, 0, $idx + 1));
    }