Bug #71950 [NEW]: static variables are incorrect after call parent::method()

From: michael dot bilcot at gmail dot com Operating system: Windows 10 64 PHP version: Irrelevant Package: Class/Object related Bug Type: Bug Bug description:static variables are incorrect after call parent::method() Description: ------------ When you call parent::method() and there is a static variable in this, the value returned to all inherited objects is the same Test script: --------------- class A { function a() { static $i; if (!$i) { $i = $this->value; } return $i; } } class B extends A { public $value = 'B'; } class C extends A { public $value = 'C'; function a() { return parent::a(); } } $b = new B; echo $b->a(); $c = new C; echo $c->a(); Expected result: ---------------- BC Actual result: -------------- BB -- Edit bug report at https://bugs.php.net/bug.php?id=71950&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=71950&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=71950&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=71950&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=71950&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=71950&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=71950&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=71950&r=needscript Try newer version: https://bugs.php.net/fix.php?id=71950&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=71950&r=support Expected behavior: https://bugs.php.net/fix.php?id=71950&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=71950&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=71950&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=71950&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=71950&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=71950&r=dst IIS Stability: https://bugs.php.net/fix.php?id=71950&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=71950&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=71950&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=71950&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=71950&r=mysqlcfg