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Bug #47574 date() function works incorrect :-(
Submitted: 2009-03-05 16:57 UTC Modified: 2009-03-05 17:22 UTC
From: privatevideo at list dot ru Assigned:
Status: Not a bug Package: Date/time related
PHP Version: 5.2.9 OS: Windows
Private report: No CVE-ID: None
View Developer Edit
 [2009-03-05 16:57 UTC] privatevideo at list dot ru 
Description:
------------
date() function works incorrect :-(

Reproduce code:
---------------
# check line 179-180, it should add a minute every step

for ($i=0,$d=1224964800;$d<=1225051200;$d+=60,++$i)
	echo "<br>$i -> ".date('Y-m-d H:i:s',$d);


Expected result:
----------------
179 -> 2008-10-26 02:59:00
180 -> 2008-10-26 03:00:00
181 -> 2008-10-26 03:01:00
182 -> 2008-10-26 03:02:00

Actual result:
--------------
179 -> 2008-10-26 02:59:00
180 -> 2008-10-26 02:00:00
181 -> 2008-10-26 02:01:00
182 -> 2008-10-26 02:02:00

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 [2009-03-05 17:22 UTC] mattwil@php.net 
We are happy to tell you that you just discovered Daylight Savings
Time. For more information see:
http://webexhibits.org/daylightsaving/b.html
Instead of using mktime/date consider using gmmktime and gmdate which do
not suffer from DST.
 
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