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<?php declare(strict_types=1); function test(int $a) { $a = "hi"; echo $a; } test(4);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
hi
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/P9oUg on line 1 Catchable fatal error: Argument 1 passed to test() must be an instance of int, integer given, called in /in/P9oUg on line 9 and defined in /in/P9oUg on line 3
Process exited with code 255.

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