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@ 2025-05-27T04:35:35Z

<?php

function foo(int &$x) {
    $x = "foo!";
}

$x = 1;
foo($x);
var_dump($x);

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

23.63 ms | 475 KiB | 4 Q