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Date: Thu, 6 May 2004 13:13:33 +0200 
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Subject: RE: [PHP-DEV] Itanium2 test from 15.04.-14.05.
From: KHofmann@PROBUSINESS.DE (Kai Hofmann)

> > Until now we found with php / phpGroupWare only one problem on
> > the Itanium 2 machine.
> >
> > phpGW has used mktime() with day values <= 0
> > This seems to be fixed (magically) by the underlying Unix 
> mktime() function
> > on 32-Bit Linux/Windows Systems, but not on the RedHat Itanium 2
> > distribution we used for testing.
> 
> Do you have a script to illustrate this problem ?

The Script is (in php) quite simple:

<?php
echo mktime(2,0,0,4,-6,2004); /* or 0 to -5 */
?>

run this with php 4.3.6 on a 32-bit system and on
Itanium2 and compare the seconds returned back from both systems.
I have differences of ~ 2 days there which can not be the DST setting.

I am not sure of the relevance of
http://bugs.php.net/bug.php?id=10686
regarding this.
It might also be that the bug is in the implementation of
mktime() from Linux (it's a RH AS 2.1 IA64).
I still have to do more testing - but not much time to do so :(

Greetings

   Kai Hofmann