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<?php declare(strict_types=1); function foo(int &$int): void { $int = '5'; } foo($x); var_dump($x);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: foo(): Argument #1 ($int) must be of type int, null given, called in /in/rptQ6 on line 8 and defined in /in/rptQ6:4 Stack trace: #0 /in/rptQ6(8): foo(NULL) #1 {main} thrown in /in/rptQ6 on line 4
Process exited with code 255.

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