Definition
The date_isodate_set() function sets a date according to the ISO 8601 standard.
Syntax
date_isodate_set(object, year, week, day)
Parameters
| Parameter | Description |
|---|---|
object |
Required. Specifies a DateTime object returned by date_create(). |
year |
Required. Specifies the year of the date. |
week |
Required. Specifies the week of the date. |
day |
Optional. Specifies the offset from the first day of the week. Default is 1. |
Example
<?php
$date = date_create();
date_isodate_set($date, 2021, 16);
echo date_format($date, "Y-m-d");