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DateTime::setISODate
date_isodate_set
(PHP 5 >= 5.2.0, PHP 7)
DateTime::setISODate -- date_isodate_set — Sets the ISO date
Description
Object oriented style
Procedural style
Set a date according to the ISO 8601 standard - using weeks and day offsets rather than specific dates.
Parameters
-
object -
Procedural style only: A DateTime object returned by date_create(). The function modifies this object.
-
year -
Year of the date.
-
week -
Week of the date.
-
day -
Offset from the first day of the week.
Examples
Example #1 DateTime::setISODate() example
Object oriented style
<?php
$date = new DateTime();
$date->setISODate(2008, 2);
echo $date->format('Y-m-d') . "\n";
$date->setISODate(2008, 2, 7);
echo $date->format('Y-m-d') . "\n";
?>
Procedural style
<?php
$date = date_create();
date_isodate_set($date, 2008, 2);
echo date_format($date, 'Y-m-d') . "\n";
date_isodate_set($date, 2008, 2, 7);
echo date_format($date, 'Y-m-d') . "\n";
?>
The above examples will output:
2008-01-07 2008-01-13
Example #2 Values exceeding ranges are added to their parent values
<?php
$date = new DateTime();
$date->setISODate(2008, 2, 7);
echo $date->format('Y-m-d') . "\n";
$date->setISODate(2008, 2, 8);
echo $date->format('Y-m-d') . "\n";
$date->setISODate(2008, 53, 7);
echo $date->format('Y-m-d') . "\n";
?>
The above example will output:
2008-01-13 2008-01-14 2009-01-04
Example #3 Finding the month a week is in
<?php
$date = new DateTime();
$date->setISODate(2008, 14);
echo $date->format('n');
?>
The above examples will output:
3
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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-datetime.setisodate.html
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References
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