Bug #77562 [NEW]: Inheritance signature checking for void return type

From: danack Operating system: PHP version: 7.2.14 Package: Scripting Engine problem Bug Type: Bug Bug description:Inheritance signature checking for void return type Description: ------------ From PHP 7.2 dropping the return type for methods in child classes is meant to be allowed on method signature checks: https://wiki.php.net/rfc/parameter-no-type-variance Test script: --------------- class Foo{ function method (): void {} } // This should work in php 7.2+ class Bar extends Foo { function method () {} } Expected result: ---------------- No error. Actual result: -------------- Fatal error: Declaration of Bar::method() must be compatible with Foo::method(): void in /in/3E70o on line 11 -- Edit bug report at https://bugs.php.net/bug.php?id=77562&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=77562&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=77562&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=77562&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=77562&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=77562&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=77562&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=77562&r=needscript Try newer version: https://bugs.php.net/fix.php?id=77562&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=77562&r=support Expected behavior: https://bugs.php.net/fix.php?id=77562&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=77562&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=77562&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=77562&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=77562&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=77562&r=dst IIS Stability: https://bugs.php.net/fix.php?id=77562&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=77562&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=77562&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=77562&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=77562&r=mysqlcfg