计算两个数据时间之间的差异 [英] Calculate difference between two datetimes

问题描述

我正在使用PHP和MySQL，并希望计算两个数据时间之间的日期时间差异。我有一个消息表，在该表中 createdate 是一个字段。我想从2月2日前的格式 1天前找出与当前日期的日期和时间差异。

I am using PHP and MySQL, and want to calculate date time difference between two datetimes. I have a message table, in that table createdate is one field. I want to find out day and time difference from current date in the format 1 day 2 hours ago. What is the best way to go about this?

推荐答案

使用PHP的内置日期函数：

Use PHP's built in date functions:

<?php
    $start_time = "Y-m-d H:i:s"; // fill this in with actual time in this format
    $end_time = "Y-m-d H:i:s"; // fill this in with actual time in this format

    // both of the above formats are the same as what MySQL stores its
    // DATETIMEs in

    $start = new DateTime($start_time);
    $interval = $start->diff(new DateTime($end_time));

    echo $interval->format("d \d\a\y\s h \h\o\u\r\s");

• DateInterval文档


• DateTime :: diff文档


• DateInterval documentation
• DateTime::diff documentation

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