Two ways to calculate the difference between two timestamps in PHP

Timestamp (timestamp), usually a sequence of characters, uniquely identifies a certain moment in time. Digital timestamp technology is a variant of digital signature technology. Time is also a very important requirement in PHP. In this article, we mainly talk about two methods for PHP to calculate the day, hour, minute and second difference between two timestamps.

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First type:

/**
 * 计算两个时间戳之间相差的日时分秒
 * @param $unixTime_1 开始时间戳
 * @param $unixTime_2 结束时间戳
 * @return array
 */
function timeDiff($unixTime_1, $unixTime_2) {
    $timediff = abs($unixTime_2 - $unixTime_1);
    //计算天数
    $days = intval($timediff / 86400);
    //计算小时数
    $remain = $timediff % 86400;
    $hours = intval($remain / 3600);
    //计算分钟数
    $remain = $remain % 3600;
    $mins = intval($remain / 60);
    //计算秒数
    $secs = $remain % 60;
    return ['day' => $days, 'hour' => $hours, 'min' => $mins, 'sec' => $secs];
}
//Array (
//    [day] => 1
//    [hour] => 0
//    [min] => 3
//    [sec] => 31
//)

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Second type:

/**
 * 计算两个时间戳之间相差的日时分秒
 * @param $date1 开始时间
 * @param $date2 结束时间
 * @return array
 */
function diffDate($date1, $date2) {
    $datetime1 = new \DateTime($date1);
    $datetime2 = new \DateTime($date2);
    $interval = $datetime1->diff($datetime2);
    $time['year'] = $interval->format('%Y');
    $time['month'] = $interval->format('%m');
    $time['day'] = $interval->format('%d');
    $time['hour'] = $interval->format('%H');
    $time['min'] = $interval->format('%i');
    $time['sec'] = $interval->format('%s');
    $time['days'] = $interval->format('%a'); // 两个时间相差总天数
    return $time;
}
//Array (
//    [year] => 00
//    [month] => 1
//    [day] => 2
//    [hour] => 00
//    [min] => 3
//    [sec] => 31
//    [days] => 33
//)

The above are two ways for PHP to calculate the day, hour, minute and second difference between two timestamps. Method, I hope it can help everyone.

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