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<?php class stdClassArr extends stdClass implements ArrayAccess { function offsetExists($o){} function offsetSet($k, $v){} function offsetGet($o){echo $o;} function offsetUnset($o){} } $a = (new stdClassArr())['sth'];
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of stdClassArr::offsetExists($o) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/qa5Mb on line 4 Deprecated: Return type of stdClassArr::offsetGet($o) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/qa5Mb on line 6 Deprecated: Return type of stdClassArr::offsetSet($k, $v) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/qa5Mb on line 5 Deprecated: Return type of stdClassArr::offsetUnset($o) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/qa5Mb on line 7 sth

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