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How to calculate whether two time periods intersect in PHP

小云云Original: 2018-03-22 15:22:192446browse

This article mainly shares with you how PHP calculates whether two time periods overlap. It is mainly shared with you in the form of code. I hope it can help you.

/**
 * PHP计算两个时间段是否有交集（边界重叠不算）
 *
 * @param string $beginTime1 开始时间1
 * @param string $endTime1 结束时间1
 * @param string $beginTime2 开始时间2
 * @param string $endTime2 结束时间2
 * @return bool
 */function is_time_cross($beginTime1 = &#39;&#39;, $endTime1 = &#39;&#39;, $beginTime2 = &#39;&#39;, $endTime2 = &#39;&#39;) {
    $status = $beginTime2 - $beginTime1;    if ($status > 0) {        $status2 = $beginTime2 - $endTime1;        if ($status2 >= 0) {            return false;
        } else {            return true;
        }
    } else {        $status2 = $endTime2 - $beginTime1;        if ($status2 > 0) {            return true;
        } else {            return false;
        }
    }
}

/**
 * PHP计算两个时间段是否有交集（边界重叠不算）
 *
 * @param string $beginTime1 开始时间1
 * @param string $endTime1 结束时间1
 * @param string $beginTime2 开始时间2
 * @param string $endTime2 结束时间2
 * @return bool
 */function is_time_cross($beginTime1 = &#39;&#39;, $endTime1 = &#39;&#39;, $beginTime2 = &#39;&#39;, $endTime2 = &#39;&#39;) {
    $status = $beginTime2 - $beginTime1;    if ($status > 0) {        $status2 = $beginTime2 - $endTime1;        if ($status2 >= 0) {            return false;
        } else {            return true;
        }
    } else {        $status2 = $endTime2 - $beginTime1;        if ($status2 > 0) {            return true;
        } else {            return false;
        }
    }
}

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