#35057 [NEW]: abstract method inheritance and interface implementation problem

From: antonsub at pochtamt dot ru Operating system: Linux PHP version: 5.1.0RC4 PHP Bug Type: Scripting Engine problem Bug description: abstract method inheritance and interface implementation problem Description: ------------ Code given produces fatal error: Can't inherit abstract function A::foo() (previously declared abstract in B) in foo.php on line 20 Reproduce code: --------------- <?php interface A { public function foo($id); } abstract class B { abstract public function foo($id); } class C extends B { public function foo($id) { echo "foo\n"; } } class D extends C implements A {} var_dump(new D); ?> Expected result: ---------------- But is expected to run cleanly. -- Edit bug report at http://bugs.php.net/?id=35057&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=35057&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=35057&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=35057&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=35057&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=35057&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=35057&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=35057&r=needscript Try newer version: http://bugs.php.net/fix.php?id=35057&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=35057&r=support Expected behavior: http://bugs.php.net/fix.php?id=35057&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=35057&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=35057&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=35057&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=35057&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=35057&r=dst IIS Stability: http://bugs.php.net/fix.php?id=35057&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=35057&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=35057&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=35057&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=35057&r=mysqlcfg