Deprecated: Return type of Defaultdict::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/nkm4c on line 16
Deprecated: Return type of & Defaultdict::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/nkm4c on line 22
Deprecated: Return type of Defaultdict::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/nkm4c on line 9
Deprecated: Return type of Defaultdict::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/nkm4c on line 19
Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, Defaultdict given in /in/nkm4c:35
Stack trace:
#0 /in/nkm4c(35): array_keys(Object(Defaultdict))
#1 {main}
thrown in /in/nkm4c on line 35
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, Defaultdict given in /in/nkm4c:35
Stack trace:
#0 /in/nkm4c(35): array_keys(Object(Defaultdict))
#1 {main}
thrown in /in/nkm4c on line 35
Process exited with code 255.