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<?php class C implements JsonSerializable { var $a = 'lol'; var $b = 'fa'; public function jsonSerialize() { $aux = clone($this); unset($aux->a); return $aux; } } echo json_serialize(new C());
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of C::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/P0Rf3 on line 7 Fatal error: Uncaught Error: Call to undefined function json_serialize() in /in/P0Rf3:13 Stack trace: #0 {main} thrown in /in/P0Rf3 on line 13
Process exited with code 255.

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