Deprecated: Return type of Recursion::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/HIv8Z on line 9
Deprecated: Creation of dynamic property Recursion::$cnt is deprecated in /in/HIv8Z on line 6
bool(false)
Output for 8.1.0 - 8.1.27
Deprecated: Return type of Recursion::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/HIv8Z on line 9
bool(false)