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<?php class Foo { public $baz = array('bazz' => null); public function bar() { $key = 'baz'; $this->$key['bazz'] = 123; var_dump($this->$key); } } $a = (new Foo()); var_dump([$a => '123']);
Output for git.master, git.master_jit
Fatal error: Uncaught TypeError: Illegal offset type in /in/BXPQa:18 Stack trace: #0 {main} thrown in /in/BXPQa on line 18
Process exited with code 255.
Output for rfc.property-hooks
Fatal error: Uncaught TypeError: Cannot access offset of type object on array in /in/BXPQa:18 Stack trace: #0 {main} thrown in /in/BXPQa on line 18
Process exited with code 255.

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