#30922 [NEW]: reflective functions crash PHP when interfaces extend themselves

From: Jason at AMP-design dot net Operating system: Windows 2003 PHP version: 5.0.2 PHP Bug Type: Reproducible crash Bug description: reflective functions crash PHP when interfaces extend themselves Description: ------------ When a interface extends it's self, it will cause PHP to crash when reflective language features such as instanceOf, is_a are used on objects that implement the recursive interface. Reproduce code: --------------- <?php interface RecurisiveFooFar extends RecurisiveFooFar {} class A implements RecurisiveFooFar {} $a = new A(); var_dump($a instanceOf A); ?> Expected result: ---------------- Something like ... Fatal Error: interface can not extend it's self on line __LINE__ in __FILE__ Actual result: -------------- PHP Crashes. Apache log shows this activity. [Sun Nov 28 15:47:43 2004] [notice] Parent: child process exited with status 128 -- Restarting. [Sun Nov 28 15:47:43 2004] [notice] Parent: Created child process 3932 [Sun Nov 28 15:47:43 2004] [notice] Child 3932: Child process is running [Sun Nov 28 15:47:43 2004] [notice] Child 3932: Acquired the start mutex. [Sun Nov 28 15:47:43 2004] [notice] Child 3932: Starting 250 worker threads. -- Edit bug report at http://bugs.php.net/?id=30922&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=30922&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=30922&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=30922&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=30922&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=30922&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=30922&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=30922&r=needscript Try newer version: http://bugs.php.net/fix.php?id=30922&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=30922&r=support Expected behavior: http://bugs.php.net/fix.php?id=30922&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=30922&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=30922&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=30922&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=30922&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=30922&r=dst IIS Stability: http://bugs.php.net/fix.php?id=30922&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=30922&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=30922&r=float MySQL Configuration Error: http://bugs.php.net/fix.php?id=30922&r=mysqlcfg