Bug #76869 [NEW]: Incorrect bypassing protected method accessibilty check

From: dmitry Operating system: * PHP version: 7.3.0beta3 Package: Class/Object related Bug Type: Bug Bug description:Incorrect bypassing protected method accessibilty check Description: ------------ In case protected method overrides a private one. PHP may bypass protected method accessibility check. Test script: --------------- <?php class A { private function f() { return "A"; } } class B extends A { protected function f() { return "B"; } } $b = new B(); try { var_dump($b->f()); } catch (Throwable $e) { echo "Exception: ", $e->getMessage(), "\n"; } ?> Expected result: ---------------- Exception: Call to protected method B::f() from context '' Actual result: -------------- string(1) "B" -- Edit bug report at https://bugs.php.net/bug.php?id=76869&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=76869&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=76869&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=76869&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=76869&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=76869&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=76869&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=76869&r=needscript Try newer version: https://bugs.php.net/fix.php?id=76869&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=76869&r=support Expected behavior: https://bugs.php.net/fix.php?id=76869&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=76869&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=76869&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=76869&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=76869&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=76869&r=dst IIS Stability: https://bugs.php.net/fix.php?id=76869&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=76869&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=76869&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=76869&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=76869&r=mysqlcfg