Bug #80409 [Opn->Ver]: DateTime::modify() loses time with 'weekday' parameter
Edit report at https://bugs.php.net/bug.php?id=80409&edit=1
ID: 80409
Updated by: cmb@php.net
Reported by: karol dot piotr dot kolanko at gmail dot com
Summary: DateTime::modify() loses time with 'weekday'
parameter
-Status: Open
+Status: Verified
Type: Bug
Package: Date/time related
Operating System: Linux
PHP Version: 7.4.12
Block user comment: N
Private report: N
New Comment:
I just learned that "weekday" refers to Mon to Fri, so yes, this
looks like a bug.
Previous Comments:
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[2020-11-24 14:20:39] cmb@php.net
For reference: <https://3v4l.org/m0UbY>
According to the manual this is supposed to work[1], but I have no
idea what "+1 weekday" is supposed to do.
[1] <https://www.php.net/manual/en/datetime.formats.relative.php>
------------------------------------------------------------------------
[2020-11-24 10:05:28] karol dot piotr dot kolanko at gmail dot com
Description:
------------
DateTime::modify() with parametrem 'weekday' loses time value.
Also date() function.
Test script:
---------------
<?php
$date = '2020-11-27 12:33:00';
echo date('Y-m-d H:i:s', strtotime($date.' +1 day'));
// Correct: 2020-11-28 12:33:00
echo date('Y-m-d H:i:s', strtotime($date.' +1 Weekday'));
// Uncorrect, lost time: 2020-11-30 00:00:00
$date1 = new DateTime($date);
$date2 = new DateTime($date);
$date2->modify('+1 day');
echo $date2->format('Y-m-d H:i:s');
// Correct: 2020-11-28 12:33:00
$date1->modify('+1 weekday');
echo $date1->format('Y-m-d H:i:s');
// Uncorrect, lost time: 2020-11-30 00:00:00
------------------------------------------------------------------------
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Edit this bug report at https://bugs.php.net/bug.php?id=80409&edit=1
Thread (5 messages)