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<?php function f($req, $opt = null) { printf('$req: %d; $opt: %d; number of params: %d'."\n", $req, $opt); } f(1); f(1, 2); f(1, 2, 3); f(1, 2, 3, 4); f(1, 2, 3, 4, 5); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: 4 arguments are required, 3 given in /in/NIfts:3 Stack trace: #0 /in/NIfts(3): printf('$req: %d; $opt:...', 1, NULL) #1 /in/NIfts(7): f(1) #2 {main} thrown in /in/NIfts on line 3
Process exited with code 255.

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