#42155 [NEW]: checkdate() incorrect behaviour for leap year

From: ahlers_wim at hotmail dot com Operating system: All PHP version: 5.2.3 PHP Bug Type: Date/time related Bug description: checkdate() incorrect behaviour for leap year Description: ------------ Dates divisible by 400 should not be a leap year. (for milleniums to come.) checkdate() should be modified to incorporate this date related cycle. Reproduce code: --------------- checkdate(2, 29, 2000); Expected result: ---------------- FALSE Actual result: -------------- TRUE -- Edit bug report at http://bugs.php.net/?id=42155&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=42155&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=42155&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=42155&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=42155&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=42155&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=42155&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=42155&r=needscript Try newer version: http://bugs.php.net/fix.php?id=42155&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=42155&r=support Expected behavior: http://bugs.php.net/fix.php?id=42155&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=42155&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=42155&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=42155&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=42155&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=42155&r=dst IIS Stability: http://bugs.php.net/fix.php?id=42155&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=42155&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=42155&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=42155&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=42155&r=mysqlcfg