Edit report at https://bugs.php.net/bug.php?id=61642&edit=1
ID: 61642
Comment by: zhanglijiu at gmail dot com
Reported by: jeff at nd4c dot com
Summary: modify("+5 weekdays") returns Sunday
Status: Open
Type: Bug
Package: Date/time related
Operating System: Fedora 14 and Windows 7
PHP Version: Irrelevant
Block user comment: N
Private report: N
New Comment:
I check the php manual, there is no weekdays parameter for modify. So you have
to
use modify(+ n day) or modify(+ n week).
Previous Comments:
------------------------------------------------------------------------
[2012-04-05 18:01:12] jeff at nd4c dot com
Description:
------------
Tested on Windows 7:
Apache/2.2.16 (Win32) PHP/5.3.5
Tested on Fedora 14:
Fedora release 14 (Laughlin) Linux 2.6.35.4-rscloud x86_64
php.x86_64 5.3.8-3.fc14
These are the latest stable versions I can find for these two systems.
(Especially since V6 binaries are no longer available for Windows.)
The Linux system is a live server using a framework that has not been tested
with any later versions than 5.3.8
When modifying a DateTime instance with "+5 weekdays" it will return a date for
a Sunday and not a weekday.
Running the Test script you note that the section for "5" returns Sunday. All
the other numbers are correct. Note the pattern for skipping the weekends is
always for Friday, Saturday and Sunday. However for "+5" weekends should be
skipped for Saturday, Sunday and Monday, which is different than for any other
number.
Test script:
---------------
$days = array(1,2,3,4,5,6,7,8,);
$dates =
array('2012-03-29','2012-03-30','2012-03-31','2012-04-01','2012-04-02','2012-04-03','2012-04-04','2012-04-05',);
foreach ($days as $businessdays)
{
foreach ($dates as $startdate)
{
$start = new DateTime($startdate);
$date = new DateTime($startdate);
echo '<br/>'.$businessdays.' : '.$date->format('l').' :
'.$date->format('Y-m-d');
$date->modify("+{$businessdays} weekdays");
echo ' : '.$date->format('Y-m-d').' : '.$date->format('l');
}
echo '<br/>';
}
Expected result:
----------------
...
5 : Thursday : 2012-03-29 : 2012-04-05 : Thursday
5 : Friday : 2012-03-30 : 2012-04-06 : Friday
5 : Saturday : 2012-03-31 : 2012-04-09 : Monday
5 : Sunday : 2012-04-01 : 2012-04-09 : Monday
5 : Monday : 2012-04-02 : 2012-04-09 : Monday
5 : Tuesday : 2012-04-03 : 2012-04-10 : Tuesday
5 : Wednesday : 2012-04-04 : 2012-04-11 : Wednesday
5 : Thursday : 2012-04-05 : 2012-04-12 : Thursday
...
Actual result:
--------------
...
5 : Thursday : 2012-03-29 : 2012-04-05 : Thursday
5 : Friday : 2012-03-30 : 2012-04-08 : Sunday
5 : Saturday : 2012-03-31 : 2012-04-08 : Sunday
5 : Sunday : 2012-04-01 : 2012-04-08 : Sunday
5 : Monday : 2012-04-02 : 2012-04-09 : Monday
5 : Tuesday : 2012-04-03 : 2012-04-10 : Tuesday
5 : Wednesday : 2012-04-04 : 2012-04-11 : Wednesday
5 : Thursday : 2012-04-05 : 2012-04-12 : Thursday
...
------------------------------------------------------------------------
--
Edit this bug report at https://bugs.php.net/bug.php?id=61642&edit=1
