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@ 2021-03-24T12:07:39Z

<?php

$str = 'original';
$refArray = [&$str];
$filtered = array_filter($refArray, fn () => true);
$filtered[0] = 'MODIFIED';
echo $str;  // array_filter preserves the reference!

Output
Performance
VLD
References
Branches

array_filter: documentation ( source)

preferences:dark modelive previewkey bindings

120.1 ms | 404 KiB | 5 Q