PHP date_time_set() 函数

设置时间：

<?php
$date=date_create("2013-05-01");
date_time_set($date,13,24);
echo date_format($date,"Y-m-d H:i:s");
?>

定义和用法

date_time_set() 函数设置时间。

date_time_set( object, hour, minute, second, microseconds)

Parameter	Description
object	Required. Specifies a DateTime object returned by date_create()
hour	Required. Specifies the hour of the time
minute	Required. Specifies the minute of the time
second	Optional. Specifies the second of the time. Default is 0
microseconds	Optional. Specifies the microsecond of the time. Default is 0

返回值：	成功时返回 DateTime 对象。失败时为 FALSE
PHP 版本：	5.2+
PHP 变更日志：	PHP 7.1：添加微秒范围 PHP 5.3：将返回值从 NULL 更改为 DateTime