#42376 [NEW]: error between date and mktime

From: piefra at gmail dot com Operating system: bof win(5) & linux(4.1) PHP version: 5.2.3 PHP Bug Type: Date/time related Bug description: error between date and mktime Description: ------------ (sorry for my english i'm french ) using timestamp incrementation with date(H), i found somme datetime error : the error occur on the same hours ( 02:00 ) echo date("Y/m/d H:i",gmmktime(2,0,0,03,25,2007)) -> 2007/03/25 03:00 reproductible on every years same month ( end mars ) 2007/03/25 03:00,2008/03/30 03:00,2009/03/29 03:00,2010/03/28 03:00 2011/03/27 03:00,2012/03/25 03:00,2013/03/31 03:00,2014/03/30 03:00 2015/03/29 03:00 ... to find date errors run the code found on windows/wamp 1.5.0 (php 5.1) tested on linux/mandriva/appache with php 4.1 all plateform test is x86 Reproduce code: --------------- <?php session_cache_expire (0); echo '<pre>'; $dt1=mktime(0,0,0,1,1,2007); echo date("Y/m/d H:i",$dt1)."\n"; for ($i=1;$i<24*365*20;$i++){ set_time_limit(0); $dt2=mktime(date("H",$dt1)+1,date("i",$dt1),0,date("m",$dt1),date("d",$dt1),date("Y",$dt1)); $d=date("H",$dt2)-date("H",$dt1); if ($d<>1 and $d <>-23) { echo date("Y/m/d H:i",$dt1)." ".date("Y/m/d H:i",$dt2)."\n"; flush(); } $dt1=$dt2; } echo date("Y/m/d H:i",$dt2)."\n"; echo '<pre>'; ?> Expected result: ---------------- echo date("Y/m/d H:i",gmmktime(2,0,0,03,25,2007)) -> 2007/03/25 02:00 Actual result: -------------- echo date("Y/m/d H:i",gmmktime(2,0,0,03,25,2007)) -> 2007/03/25 03:00 -- Edit bug report at http://bugs.php.net/?id=42376&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=42376&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=42376&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=42376&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=42376&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=42376&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=42376&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=42376&r=needscript Try newer version: http://bugs.php.net/fix.php?id=42376&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=42376&r=support Expected behavior: http://bugs.php.net/fix.php?id=42376&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=42376&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=42376&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=42376&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=42376&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=42376&r=dst IIS Stability: http://bugs.php.net/fix.php?id=42376&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=42376&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=42376&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=42376&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=42376&r=mysqlcfg