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<?php class Foo { public function __toString() { return 'Bar'; } } $test = array(); $object = new Foo(); $test[$object] = 'Value'; var_dump($test);
Output for git.master, git.master_jit
Fatal error: Uncaught TypeError: Illegal offset type in /in/kNvte:12 Stack trace: #0 {main} thrown in /in/kNvte on line 12
Process exited with code 255.
Output for rfc.property-hooks
Fatal error: Uncaught TypeError: Cannot access offset of type object on array in /in/kNvte:12 Stack trace: #0 {main} thrown in /in/kNvte on line 12
Process exited with code 255.

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