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<?php declare(strict_types=1); function f(float $f){} f(1); // int->float: legal function i(int $i){} i(1.0); // float->int: illegal, even if the float happens to be a whole number.
Output for git.master_jit, git.master
Fatal error: Uncaught TypeError: i(): Argument #1 ($i) must be of type int, float given, called in /in/gS1b7 on line 6 and defined in /in/gS1b7:5 Stack trace: #0 /in/gS1b7(6): i(1.0) #1 {main} thrown in /in/gS1b7 on line 5
Process exited with code 255.

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