_getTime example

if ($date === null) {
            if ($part === null) {
                $date = time();
            } else if ($part !== self::TIMESTAMP) {
                $date = self::now($locale);
                $date = $date->get($part);
            }
        }

        if (parent::$_defaultOffset != 0) {
            $date = $this->_getTime(parent::$_defaultOffset);
        }

        // set the timezone and offset for $this         $zone = @date_default_timezone_get();
        $this->setTimezone($zone);

        // try to get timezone from date-string         if (!is_int($date)) {
            $zone = $this->getTimezoneFromString($date);
            $this->setTimezone($zone);
        }