判断是否在某个时间段以内

/**
 * $datestart  2019-03-30
 * $dateend    2019-03-30
 * @return int
 * 判断是否在某一个时间段以内
 */
protected function get_curr_time_section($datestart,$dateend)
{
    $timestart = strtotime($datestart);
    $timeend = strtotime($dateend);
    //判断是否在指定天数以内
    if(time() >= $timestart && time() <= $timeend){
        $checkDayStr = date('Y-m-d ',time());
        $timeBegin1 = strtotime($checkDayStr."19:00".":00");
        $timeEnd1 = strtotime($checkDayStr."23:00".":00");

        $curr_time = time();

        if($curr_time >= $timeBegin1 && $curr_time <= $timeEnd1)
        {
            return 1;
        }else{
            return -1;
        }
    }else{
        return -1;
    }
}