php.net |  support |  documentation |  report a bug |  advanced search |  search howto |  statistics |  random bug |  login

go to bug id or search bugs for

Bug #63967 Date function calculation error
Submitted: 2013-01-11 15:28 UTC Modified: 2013-01-11 15:48 UTC
From: bvb dot bolle at gmail dot com Assigned:
Status: Not a bug Package: Date/time related
PHP Version: 5.4.10 OS: Windows, Linux
Private report: No CVE-ID: None
View Developer Edit
Welcome! If you don't have a Git account, you can't do anything here.
If you reported this bug, you can edit this bug over here.
(description)
Block user comment
Status: Assign to:
Package:
Bug Type:
Summary:
From: bvb dot bolle at gmail dot com
New email:
PHP Version: OS:

 

 [2013-01-11 15:28 UTC] bvb dot bolle at gmail dot com 
Description:
------------
Just try this:

<?php echo date("Y-m-d", 2912194800); echo ' '.phpversion(); ?>

it should indicate: Thursday, April 13th 2062, 23:00:00 (GMT)

but...

[System]
[Date Calculated] [PHP Version]

Local Windows Vista
1926-03-08 5.4.0-ZS5.6.0

Server01 (WinServ2012)
1926-03-08 5.4.9-Win64

Server02 (Debian)
2062-04-14 5.3.20

Server03 (Ubuntu)
1926-03-08 5.3.10-1ubuntu3.4

Server04 (WinServ2008R2)
1926-03-08 5.4.9-Win64

Test script:
---------------
<?php echo date("Y-m-d", 2912194800); echo ' '.phpversion(); ?>

Expected result:
----------------
2062-04-14

Actual result:
--------------
1926-03-08

Patches

Pull Requests

History

AllCommentsChangesGit/SVN commitsRelated reports
 [2013-01-11 15:48 UTC] derick@php.net 
.
 [2013-01-11 15:48 UTC] derick@php.net
-Status: Open +Status: Not a bug
 [2013-01-11 15:48 UTC] derick@php.net 
Our Windows port always uses 32bit integers, even on a 64bit platform. The large number doesn't fit into the 32bit integer range so it overflows. You can fix this by doing:

<?php echo date_create("@2912194800")->format("Y-m-d"), phpversion(); ?>
 
PHP Copyright © 2001-2025 The PHP Group
All rights reserved. 		Last updated: Sun Nov 02 11:00:01 2025 UTC