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<?php declare(strict_types=1); function f(int $foo) { var_dump($foo); } f(1); f("10"); f("10gaklj");
Output for git.master, git.master_jit, rfc.property-hooks
int(1) Fatal error: Uncaught TypeError: f(): Argument #1 ($foo) must be of type int, string given, called in /in/RZQOk on line 9 and defined in /in/RZQOk:4 Stack trace: #0 /in/RZQOk(9): f('10') #1 {main} thrown in /in/RZQOk on line 4
Process exited with code 255.

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