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<?php class X implements ArrayAccess { function offsetGet($n) { va_dump(0,$n); return "42";} function offsetSet($x, $z) { var_dump($x, $z); } function offsetExists() {} function offsetUnset() {} } $x = new X(); $x[23]++;
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of X::offsetExists() must be compatible with ArrayAccess::offsetExists(mixed $offset): bool in /in/l1WYJ on line 5
Process exited with code 255.

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