php – datetime diff不起作用

发布时间：2020-12-13 21:37:29 所属栏目：PHP教程来源：网络整理

导读：这是我的代码 function check($dt) { $date = date("Y-m-d"); $start = new DateTime($date); $end = new DateTime($dt); $diff = $start-diff( $end ); return $diff-format( '%d days' ); }print check('2009-12-14'); 打印29天我哪里错了？解决方法它

这是我的代码

function check($dt) {
    $date = date("Y-m-d");
    $start = new DateTime($date);
    $end   = new DateTime($dt);
    $diff  = $start->diff( $end );

    return $diff->format( '%d days' );
    }

print check('2009-12-14');

打印29天

我哪里错了？

解决方法

它在 manual中解释：

<?php

$january = new DateTime('2010-01-01');
$february = new DateTime('2010-02-01');
$interval = $february->diff($january);

// %a will output the total number of days.
echo $interval->format('%a total days')."n";

// While %d will only output the number of days not already covered by the
// month.
echo $interval->format('%m month,%d days');

?>

你要：

function check($dt) {
    $date = date("Y-m-d");
    $start = new DateTime($date);
    $end   = new DateTime($dt);
    $diff  = $start->diff( $end );

    return $diff->format( '%a days' );
}

print check('2009-12-14');

给了180天.

（编辑：李大同）

【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容!