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<?php function test(int $x = INF) { var_dump($x); } test();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: test(): Argument #1 ($x) must be of type int, float given, called in /in/cgnkk on line 4 and defined in /in/cgnkk:3 Stack trace: #0 /in/cgnkk(4): test() #1 {main} thrown in /in/cgnkk on line 3
Process exited with code 255.

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