From: glenjamin at gmail dot com Operating system: OS X / Linux PHP version: 5.5.4 Package: Date/time related Bug Type: Bug Bug description:DateTimeImmutable::diff does not work
Description: ------------ Errors are generated when attempting to: Diff a datetimeimmutable and a datetime Diff a datetime and a datetimeimmutable Diff a datetimeimmutable and another datetimeimmutable The documentation implies that this should work correctly, and that diff() accepts DateTimeInterface Test script: --------------- $di1 = new DateTimeImmutable('now'); $di2 = new DateTimeImmutable('+1 hour'); $d = new DateTime('-1 hour'); $di1->diff($d); // DateInterval +1H $di1->diff($di2); // DateInterval -1H $d->diff($di1); // DateInterval +1H Expected result: ---------------- DateInterval objects in all three cases Actual result: -------------- Produced via `php -a` $di1->diff($d); // PHP Fatal error: DateTime::diff() must be derived from DateTimeImmutable::diff in Unknown on line 0 $di1->diff($di2); // DateInterval -1H // PHP Fatal error: DateTime::diff() must be derived from DateTimeImmutable::diff in Unknown on line 0 $d->diff($di1); // DateInterval +1H // PHP Warning: DateTime::diff() expects parameter 1 to be DateTime, object given in php shell code on line 1 // bool(false) -- Edit bug report at https://bugs.php.net/bug.php?id=65768&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=65768&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=65768&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=65768&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=65768&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=65768&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=65768&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=65768&r=needscript Try newer version: https://bugs.php.net/fix.php?id=65768&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=65768&r=support Expected behavior: https://bugs.php.net/fix.php?id=65768&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=65768&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=65768&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=65768&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=65768&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=65768&r=dst IIS Stability: https://bugs.php.net/fix.php?id=65768&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=65768&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=65768&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=65768&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=65768&r=mysqlcfg