PHP date_isodate_set() Function
Example
Set the ISO date to the 5th week in 2013:
<?php
$date=date_create();
date_isodate_set($date,2013,5);
echo date_format($date,"Y-m-d");
?>
Try it Yourself »
Definition and Usage
The date_isodate_set() function sets a date according to the ISO 8601 standard, using weeks and day offsets (instead of using a specific date).
Syntax
date_isodate_set(object, year, week, day)
Parameter Values
| 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 |
Technical Details
| Return Value: | Returns a DateTime object on success. FALSE on failure |
|---|---|
| PHP Version: | 5.2+ |
| PHP Changelog: | PHP 5.3: Changed the return value from NULL to DateTime |
❮ PHP Date/Time Reference
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