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<?php declare(strict_types=1); function sum(int ...$ints): int { $a = 0; foreach ($ints as $int) { $a += $int; } return $a; } var_dump(sum(...[1, 2, 3])); var_dump(sum(...[1, 2, "three"]));
Output for git.master, git.master_jit, rfc.property-hooks
int(6) Fatal error: Uncaught TypeError: sum(): Argument #3 must be of type int, string given, called in /in/FVlpE on line 13 and defined in /in/FVlpE:3 Stack trace: #0 /in/FVlpE(13): sum(1, 2, 'three') #1 {main} thrown in /in/FVlpE on line 3
Process exited with code 255.

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