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@ 2024-07-12T01:17:08Z

<?php

declare(strict_types=1);


function foo(string &$arg) {
    $arg = 123;
}

$a = 'abc';
foo($a);

var_dump($a); // The int was allowed to returned in a string arg

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

28.17 ms | 404 KiB | 5 Q