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<?php trait mytrait { public function foo() { return get_class($this); } } class myclass { use mytrait; } var_dump((new myclass)->foo()); $obj = new myclass; $obj->bar = 'foo'; var_dump($obj->bar);
Output for git.master, git.master_jit, rfc.property-hooks
string(7) "myclass" Deprecated: Creation of dynamic property myclass::$bar is deprecated in /in/FKoZR on line 19 string(3) "foo"

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