From: noisex at apollo dot lv
Operating system: FreeBSD 6.2
PHP version: 5.2.2
PHP Bug Type: Date/time related
Bug description: strtotiem bug
Description:
------------
On months with 31th day the strtotime function with +/-$foo month
calculates wrong. it calculates -30 days not 31 days.
Reproduce code:
---------------
Simple example (running today 31 May):
<?php
for($i=1; $i<=12; $i++) {
echo date("Y-M",strtotime("-$i months"))."<br>";
}
?>
Expected result:
----------------
2007-Mar
2007-Feb
2007-Jan
2006-Dec
2006-Nov
2006-Oct
2006-Sep
2006-Aug
2006-Jul
2006-Jun
2006-May
2006-Apr
Actual result:
--------------
2007-May
2007-Mar
2007-Mar
2007-Jan
2006-Dec
2006-Dec
2006-Oct
2006-Oct
2006-Aug
2006-Jul
2006-Jul
2006-May
--
Edit bug report at http://bugs.php.net/?id=41547&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=41547&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=41547&r=trysnapshot52
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=41547&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=41547&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=41547&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=41547&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=41547&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=41547&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=41547&r=support
Expected behavior: http://bugs.php.net/fix.php?id=41547&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=41547&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=41547&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=41547&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=41547&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=41547&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=41547&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=41547&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=41547&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=41547&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=41547&r=mysqlcfg