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@ 2019-05-20T06:45:30Z

<?php
$d = ['old'];
$c = &$d[0];
$d = ['new'];
$d[0] = 2;
var_dump($c);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

24.3 ms | 404 KiB | 5 Q