判断无日期时间是否在时间段内

判断无日期时间是否在时间段内

class DateTimeHelper extends Model
{

    //判断一个时间是不是在时间段内
    static function in_time_space($current,$start,$end){
        $temp_result = self::compare_time($start,$end);
        if($temp_result == 2 || $temp_result == 3) {
            //小于和等于

            $start_result = self::compare_time($current, $start);
            $end_result = self::compare_time($current, $end);
            if ($start_result == 1 || $start_result == 3) {
                if ($end_result == 2 || $end_result == 3) {
                    return true;
                }
            }
        }else{
            //开始时间大于结束时间，跨零点
            $middle_end = '23:59:59';
            $middle_start = '00:00:00';

            $temp_1 = self::in_time_space($current,$start,$middle_end);
            $temp_2 = self::in_time_space($current,$middle_start,$end);
            if($temp_1 || $temp_2){
                return true;
            }
        }
        return false;
    }

    //1 大于， 2小于 3等于
    static function compare_time($current,$target){
        $current_array = explode(":",$current);
        $target_array = explode(":",$target);
        for($i =0;$i<3;$i++){
            if($current_array[$i] > $target_array[$i]){
                return 1;
            }else if($current_array[$i] < $target_array[$i]){
                return 2;
            }
        }

        return 3;

    }
}