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Bug #48091 strtotime("+1 wed",time()); doesn't work
Submitted: 2009-04-27 20:06 UTC Modified: 2009-05-06 17:30 UTC
From: mwu at oxid8 dot com Assigned:
Status: Not a bug Package: Date/time related
PHP Version: 5.2.9 OS: CentOS release 5.2 (Final)
Private report: No CVE-ID: None
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 [2009-04-27 20:06 UTC] mwu at oxid8 dot com 
Description:
------------
This worked prior to php 5.2.9  (at least its working in 5.2.6)

strtotime("+1 Wed",time())  would yield a timestamp that is 1 Wednesday 
from the current time. So if the current date is Monday April 27,2009 
3pm, then the resulting function would return May 6, 2009 3pm.  in 5.2.9 
executing this function returns the same timestamp.

Reproduce code:
---------------
function test($sInterval,$iNextDate) {
        echo "strtotime(\"$sInterval\",$iNextDate);<br/>";
        echo $iNextDate = strtotime($sInterval,$iNextDate) . "<br/>";
        echo $iNextDate = strtotime($sInterval,$iNextDate) . "<br/>";
        echo $iNextDate = strtotime($sInterval,$iNextDate) . "<br/>";
        echo "<br/>";
}

$iNextDate = time(); 
test("+1 Wed",$iNextDate);
test("+1 day",$iNextDate);
test("+1 week",$iNextDate);



Actual result:
--------------
strtotime("+1 Wed",1240860865);
1240981200
1240981200
1240981200

strtotime("+1 day",1240860865);
1240947265
1241033665
1241120065

strtotime("+1 week",1240860865);
1241465665
1242070465
1242675265

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 [2009-04-27 20:27 UTC] jani@php.net 
Try fixing your script first. This works:

<?php
function test($sInterval,$iNextDate) {
        $iNextDate = strtotime($sInterval,$iNextDate);
        echo date("r", $iNextDate), "\n";
        $iNextDate = strtotime($sInterval,$iNextDate);
        echo date("r", $iNextDate), "\n";
        $iNextDate = strtotime($sInterval,$iNextDate);
        echo date("r", $iNextDate), "\n";
}

$iNextDate = time();
test("+1 Wed",$iNextDate);
test("+1 day",$iNextDate);
test("+1 week",$iNextDate);
?>

And output is as expected:
Wed, 29 Apr 2009 00:00:00 +0300
Wed, 29 Apr 2009 00:00:00 +0300
Wed, 29 Apr 2009 00:00:00 +0300
Tue, 28 Apr 2009 23:26:44 +0300
Wed, 29 Apr 2009 23:26:44 +0300
Thu, 30 Apr 2009 23:26:44 +0300
Mon, 04 May 2009 23:26:44 +0300
Mon, 11 May 2009 23:26:44 +0300
Mon, 18 May 2009 23:26:44 +0300
 [2009-04-27 20:55 UTC] mwu at oxid8 dot com 
The output as you see here is not as expected..

When I do this in php 5.2.6, I get this:
Wed, 29 Apr 2009 00:00:00 -0500
Wed, 06 May 2009 00:00:00 -0500
Wed, 13 May 2009 00:00:00 -0500


In php 5.2.9 I get this:
Wed, 29 Apr 2009 00:00:00 +0300
Wed, 29 Apr 2009 00:00:00 +0300
Wed, 29 Apr 2009 00:00:00 +0300
 [2009-05-06 17:30 UTC] mwu at oxid8 dot com 
Is this bug going to be addressed? This is a BUG or regression.  The 
behavior is different between 5.2.6 and 5.2.9
 
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