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<?php class Test implements ArrayAccess { function offsetGet($o){} function offsetUnset($o){} function offsetSet($o, $v){} function offsetExists($o){ var_dump($o);} } $arr = new Test; isset($arr[false]); isset($arr[0.12345]);
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Deprecated: Return type of Test::offsetExists($o) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/NvNPu on line 9 Deprecated: Return type of Test::offsetGet($o) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/NvNPu on line 5 Deprecated: Return type of Test::offsetSet($o, $v) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/NvNPu on line 7 Deprecated: Return type of Test::offsetUnset($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/NvNPu on line 6 bool(false) float(0.12345)
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
bool(false) float(0.12345)
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