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<?php class One {} class Two {} class Three {} function check(One|Two|Three ...$numbers): void { var_dump($numbers); } check(...[new One, new Two]); check(...[new One, new StdClass]);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array(2) { [0]=> object(One)#1 (0) { } [1]=> object(Two)#2 (0) { } } Fatal error: Uncaught TypeError: check(): Argument #2 must be of type One|Two|Three, stdClass given, called in /in/aIYLn on line 9 and defined in /in/aIYLn:5 Stack trace: #0 /in/aIYLn(9): check(Object(One), Object(stdClass)) #1 {main} thrown in /in/aIYLn on line 5
Process exited with code 255.

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