Bug #76509 [NEW]: Inherited static properties can be desynchronized from their parent by ref

From: bwoebi Operating system: Irrelevant PHP version: 7.0Git-2018-06-21 (Git) Package: Scripting Engine problem Bug Type: Bug Bug description:Inherited static properties can be desynchronized from their parent by ref Description: ------------ Inherited static properties shall be invariantly read from the same base source throughout the script life. However assigning a reference to an inherited static property it stops being connected to their parent and this the child and the property stop sharing their common value. Test script: --------------- class Test { public static $x = 0; } class Test2 extends Test { } Test2::$x = &$x; $x = 1; var_dump(Test::$x, Test2::$x); Expected result: ---------------- int(1) int(1) Actual result: -------------- int(0) int(1) -- Edit bug report at https://bugs.php.net/bug.php?id=76509&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=76509&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=76509&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=76509&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=76509&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=76509&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=76509&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=76509&r=needscript Try newer version: https://bugs.php.net/fix.php?id=76509&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=76509&r=support Expected behavior: https://bugs.php.net/fix.php?id=76509&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=76509&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=76509&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=76509&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=76509&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=76509&r=dst IIS Stability: https://bugs.php.net/fix.php?id=76509&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=76509&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=76509&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=76509&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=76509&r=mysqlcfg