#27073 [NEW]: Strange behaviour after extending interface Iterator wo adding anything new

From: andrey@php.net Operating system: linux PHP version: 5CVS-2004-01-28 (dev) PHP Bug Type: Zend Engine 2 problem Bug description: Strange behaviour after extending interface Iterator wo adding anything new Description: ------------ See the code attached : class FubarOK has no problem implementing Iterator. interface NewIterator just extends Iterator and adds nothing, and here comes the fun - an error message when FubarProblem tries to implement NewIterator. Reproduce code: --------------- <?php class FubarOk implements Iterator { public function next(){} public function key(){} public function current(){} public function hasMore(){} public function rewind(){} } interface NewIterator extends Iterator { } class FubarProblem implements NewIterator { public function next(){} public function key(){} public function current(){} public function hasMore(){} public function rewind(){} } ?> Actual result: -------------- PHP Fatal error: Class FubarProblem must implement interface Traversable as part of either Iterator or IteratorAggregate in Unknown on line 0 -- Edit bug report at http://bugs.php.net/?id=27073&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=27073&r=trysnapshot4 Try a CVS snapshot (php5): http://bugs.php.net/fix.php?id=27073&r=trysnapshot5 Fixed in CVS: http://bugs.php.net/fix.php?id=27073&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=27073&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=27073&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=27073&r=needscript Try newer version: http://bugs.php.net/fix.php?id=27073&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=27073&r=support Expected behavior: http://bugs.php.net/fix.php?id=27073&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=27073&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=27073&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=27073&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=27073&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=27073&r=dst IIS Stability: http://bugs.php.net/fix.php?id=27073&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=27073&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=27073&r=float