Bug #64489 [NEW]: wrong caclulation with date_diff

From: phpbug at samic dot us Operating system: Linux Ubuntu PHP version: 5.4Git-2013-03-22 (snap) Package: Date/time related Bug Type: Bug Bug description:wrong caclulation with date_diff Description: ------------ date_diff has a problem with a specific date it doesn't calculate days between two dates correctly please see the example ( it seems there is a similar problems: http://www.php.net/manual/en/datetime.diff.php#101990 ) Test script: --------------- $interval = date_diff(date_create('2000-03-21'), date_create('2013-03-21')); echo $interval->format('%a') . "<br>\n"; // will output 4747 $interval = date_diff(date_create('2000-03-21'), date_create('2013-03-22')); echo $interval->format('%a') . "<br>\n"; // will output 4749 --- WRONG! $interval = date_diff(date_create('2000-03-21'), date_create('2013-03-23')); echo $interval->format('%a') . "<br>\n"; // will output 4749 $interval = date_diff(date_create('2000-03-21'), date_create('2013-03-24')); echo $interval->format('%a') . "<br>\n"; // will output 4750 Expected result: ---------------- 4747 4748 4749 4750 Actual result: -------------- 4747 4749 4749 4750 the second calculation is wrong -- Edit bug report at https://bugs.php.net/bug.php?id=64489&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=64489&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=64489&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=64489&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=64489&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=64489&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=64489&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=64489&r=needscript Try newer version: https://bugs.php.net/fix.php?id=64489&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=64489&r=support Expected behavior: https://bugs.php.net/fix.php?id=64489&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=64489&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=64489&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=64489&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=64489&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=64489&r=dst IIS Stability: https://bugs.php.net/fix.php?id=64489&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=64489&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=64489&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=64489&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=64489&r=mysqlcfg