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<?php enum MyEnum: string { case value = 'value'; } $object = new \stdClass(); $enum = MyEnum::value; $payload = 'payload'; $map = new \SplObjectStorage(); $map[$object] = $payload; $map[$enum] = $payload; foreach ($map as $key => $value) { var_dump($key, $value); }
Output for git.master, git.master_jit
int(0) object(stdClass)#1 (0) { } int(1) enum(MyEnum::value)

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