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<?php enum Toto: string implements JsonSerializable { case Foo = 'Yo'; case Yo = 'Foo'; public function jsonSerialize(): string { return "gotcha"; } } enum Tata: string { case Foo = 'Yo'; case Yo = 'Foo'; public function jsonSerialize(): string { return "gotcha"; } } $params = ['a' => Toto::Foo, 'aa' => Tata::Foo]; echo json_encode($params), PHP_EOL; echo http_build_query($params), PHP_EOL;
Output for git.master, git.master_jit
{"a":"gotcha","aa":"Yo"} a=Yo&aa=Yo

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