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<?php class A implements JsonSerializable { public function jsonSerialize() { return []; } } new A(); new B(); class B implements JsonSerializable { public function jsonSerialize() { return []; } }
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of A::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/W9FXj on line 5 Fatal error: Uncaught Error: Class "B" not found in /in/W9FXj:9 Stack trace: #0 {main} thrown in /in/W9FXj on line 9
Process exited with code 255.

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