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@ 2025-03-13T16:29:56Z

<?php

function special_array() {
    $x = 42;
    return [&$x, &$x];
}

foreach (special_array() as $x) {
    var_dump($x);
    $x++;
}

foreach (special_array() as &$x) {
    var_dump($x);
    $x++; // This _does_ have an effect.
}

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

28.58 ms | 404 KiB | 5 Q