php method to calculate how many days the difference between two timestamps is: 1. Subtract the two timestamps to get the time difference; 2. Divide the time difference by the total number of seconds in a day "86400", and use floor( ) function, syntax "floor(time difference/86400)".
The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer
php calculates two timestamps How many days apart
Implementation idea:
Subtract the two timestamps to get the time difference
The time difference is divided by the total number of seconds in a day (24*60*60=86400)
Implementation code:
<?php header("Content-type:text/html;charset=utf-8"); ini_set('date.timezone', 'Asia/Shanghai'); //2021年1月1日19点30分0秒 $time1="1609500600"; //2021年7月7日7点30分0秒 $time2="1625614200"; $diff_seconds = $time2 - $time1; $diff_days = floor($diff_seconds/86400); echo "两个时间戳相差: ".$diff_days." 天"; ?>
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