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PHP date_sub () function

PHP Date / Time PHP Date / Time Reference Manual

Examples

From March 15, 2013 minus 40 days:

<?php
$date=date_create("2013-03-15");
date_sub($date,date_interval_create_from_date_string("40 days"));
echo date_format($date,"Y-m-d");
?>

Running instance »

Definition and Usage

date_sub () function from the specified date minus days, months, years, hours, minutes and seconds.

grammar

date_sub( object,interval);

参数 描述
object 必需。规定一个由 date_create() 返回的 DateTime 对象。
interval 必需。规定一个 DateInterval 对象。

technical details

return value: If successful DateTime object, if it fails returns FALSE.
PHP version: 5.3+


PHP Date / Time PHP Date / Time Reference Manual