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Bug #34805 strtotime ceases to work on future years
Submitted: 2005-10-10 12:11 UTC Modified: 2005-10-10 12:41 UTC
From: alex at magickal dot co dot uk Assigned: derick (profile)
Status: Not a bug Package: Date/time related
PHP Version: 5CVS-2005-10-10 (cvs) OS: *
Private report: No CVE-ID: None
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From: alex at magickal dot co dot uk
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 [2005-10-10 12:11 UTC] alex at magickal dot co dot uk 
Description:
------------
strtotime converts dates into nice handlable integers. This should work on ALL dates. I can see no reason whatsoever why it should cease half way through a century! Its a bit too much like the millenium bug!

And as such IS a bug.

Alex


Reproduce code:
---------------
$defaultdate = strtotime("01 January 2050");
echo $defaultdate;



Expected result:
----------------
expected result would be an integer NOT -1.

Actual result:
--------------
-1

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 [2005-10-10 12:24 UTC] sniper@php.net 
And within Linux it returns bool(false), Derick, anything you can do about this or do we just document it or reclassify this as feature request? :)
 [2005-10-10 12:41 UTC] derick@php.net 
Can't do anything about this, as PHP's int is only 32bit signed. The unix timestamp runs out of positions in this field  somewhere in 2038. If you want to use dates like this, you have to wait until can enable the new date/time routines that allow you to deal with this properly (although you won't get a timestamp back). An example of how the new code looks like:

<?php
    $d = date_create("01 January 2050");

    echo date_format($d, DATE_RFC822), "\n"
?>

(But you'll have to wait until PHP 5.1.1)
 
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