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<?php function main(): void { $sum1 = function (int $a, int $b): int { return $a + $b; }; $sum2 = fn(int $a, int $b): int => $a + $b; echo $sum1(3, 7) . PHP_EOL; echo $sum2(4, 7) . PHP_EOL; } main(); |
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10 11 |
