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<?php class Ints extends ArrayObject { public function offsetGet($index) : int { var_dump('offsetGet'); return parent::offsetGet($index); } } $ints = new Ints([1,2,'foo']); for ($i = 0; $i < 3; $i++) { var_dump($ints[$i]); }
Output for git.master, git.master_jit, rfc.property-hooks
string(9) "offsetGet" int(1) string(9) "offsetGet" int(2) string(9) "offsetGet" Fatal error: Uncaught TypeError: Ints::offsetGet(): Return value must be of type int, string returned in /in/1njNa:6 Stack trace: #0 /in/1njNa(12): Ints->offsetGet(2) #1 {main} thrown in /in/1njNa on line 6
Process exited with code 255.

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