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<?php declare(strict_types=0); function foo(string $a) { var_dump($a); } foo(null);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: foo(): Argument #1 ($a) must be of type string, null given, called in /in/atT0B on line 5 and defined in /in/atT0B:3 Stack trace: #0 /in/atT0B(5): foo(NULL) #1 {main} thrown in /in/atT0B on line 3
Process exited with code 255.

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