date_modify
(PHP 5 >= 5.1.0RC1)
date_modify -- Alters the timestamp
说明
void
date_modify ( DateTime object, string modify )
void
DateTime::modify ( string modify )
参数
object
DateTime object.
modify
String in a relative format accepted by strtotime().
返回值
Returns NULL on success or FALSE on failure.
范例
例 1. A date_modify() example
<?php $date = new DateTime("2006-12-12"); $date->modify("+1 day"); echo $date->format("Y-m-d"); ?>
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上例将输出: |