Bug #80487 [Opn]: PHP returns static when expecting self

From: Date: Sat, 05 Dec 2020 03:20:15 +0000
Subject: Bug #80487 [Opn]: PHP returns static when expecting self
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=80487&edit=1 ID: 80487 User updated by: raincomplain at outlook dot com Reported by: raincomplain at outlook dot com Summary: PHP returns static when expecting self Status: Open Type: Bug Package: Class/Object related Operating System: Irrelevant PHP Version: 8.0.0 Block user comment: N Private report: N New Comment: echo $a->get()->name(); is a typo please ignore it Previous Comments: ------------------------------------------------------------------------ [2020-12-05 03:15:25] raincomplain at outlook dot com Description: ------------ PHP 8 throws a TypeError when expecting static but getting self, which makes sense, but it seems to work the other way around! and PHP will not complain when expecting self but getting static, this is not consistent and can lead to unexpected result too. Test script: --------------- class A { public static function get(): self { return new static; } public static function name(): void { echo 'A'; } } class B extends A { public static function name(): void { echo 'B'; } } B::get()::name(); echo $a->get()->name(); Expected result: ---------------- Fatal error: Uncaught TypeError: A::get(): Return value must be of type A, B returned Actual result: -------------- B ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=80487&edit=1

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