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<?php declare(strict_types=1); class Thing { function do(int $b) : int { return $b; } } $a = [1, "2"]; $t = new Thing(); $x = $t->do($a[0]); $x = $t->do($a[1]);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Thing::do(): Argument #1 ($b) must be of type int, string given, called in /in/DfNOR on line 15 and defined in /in/DfNOR:6 Stack trace: #0 /in/DfNOR(15): Thing->do('2') #1 {main} thrown in /in/DfNOR on line 6
Process exited with code 255.

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