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<?php trait Foo { final protected function bar() { echo 'Foo'; } } class FooBar { use Foo; public function __construct() { $this->bar(); } } class FooBarBar extends FooBar { protected function bar() { echo 'FooBarBar'; } } new FooBar();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Cannot override final method FooBar::bar() in /in/loOqQ on line 24
Process exited with code 255.

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