PHP date_isodate_set () function
PHP Date / Time Reference Manual
Examples
Set up in 2013 the first five weeks of the ISO date:
<?php
$date=date_create();
date_isodate_set($date,2013,5);
echo date_format($date,"Y-m-d");
?>
$date=date_create();
date_isodate_set($date,2013,5);
echo date_format($date,"Y-m-d");
?>
Running instance »
Definition and Usage
date_isodate_set () function to set the date, use the week and offset days (instead of using a predetermined date) according to the ISO 8601 standard.
grammar
date_isodate_set( object,year,week,day);
| 参数 | 描述 |
|---|---|
| object | 必需。规定一个由 date_create() 返回的 DateTime 对象。 |
| year | 必需。规定日期中的年。 |
| week | 必需。规定日期中的周。 |
| day | 可选。规定离一周中第一天的偏移量。默认为 1。 |
technical details
| return value: | If successful, it returns a DateTime object, if it fails to return FALSE. |
|---|---|
| PHP version: | 5.2+ |
| Update log: | PHP 5.3.0: the return value from NULL to DateTime. |
PHP Date / Time Reference Manual