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@ 2021-05-19T08:22:48Z

<?php

declare(strict_types=1);

$intId = function (int $a) { return $a; };

var_dump(array_map($intId, ['1']));
var_dump($intId('1'));

Output
Performance
VLD
References
Branches

array_map: documentation ( source)
var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

37.61 ms | 1450 KiB | 5 Q