Bug #54495 [NEW]: Empty DateInterval has wrong days

From: Operating system: Linux, x86_64 PHP version: 5.3.6 Package: Date/time related Bug Type: Bug Bug description:Empty DateInterval has wrong days Description: ------------ A DateInterval created with a period that spans zero days reports $days = FALSE rather than 0. A DateInterval created by subtracting two DateTimes reports $days = 0 correctly. Test script: --------------- <?php // Period of zero days, zero seconds // $days = FALSE print_r(new DateInterval('P0Y')); // Difference of identical timestamps // $days = 0 print_r(date_diff(new DateTime('@1289997296'), new DateTime('@1289997296'))); Expected result: ---------------- DateInterval Object ( [y] => 0 [m] => 0 [d] => 0 [h] => 0 [i] => 0 [s] => 0 [invert] => 0 [days] => 0 ) DateInterval Object ( [y] => 0 [m] => 0 [d] => 0 [h] => 0 [i] => 0 [s] => 0 [invert] => 0 [days] => 0 ) Actual result: -------------- DateInterval Object ( [y] => 0 [m] => 0 [d] => 0 [h] => 0 [i] => 0 [s] => 0 [invert] => 0 [days] => ) DateInterval Object ( [y] => 0 [m] => 0 [d] => 0 [h] => 0 [i] => 0 [s] => 0 [invert] => 0 [days] => 0 ) -- Edit bug report at http://bugs.php.net/bug.php?id=54495&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=54495&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=54495&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=54495&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=54495&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=54495&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=54495&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=54495&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=54495&r=needscript Try newer version: http://bugs.php.net/fix.php?id=54495&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=54495&r=support Expected behavior: http://bugs.php.net/fix.php?id=54495&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=54495&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=54495&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=54495&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=54495&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=54495&r=dst IIS Stability: http://bugs.php.net/fix.php?id=54495&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=54495&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=54495&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=54495&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=54495&r=mysqlcfg