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@ 2015-09-18T14:44:37Z

<?php

$arr = [
    1 => 'Hello',
    3 => 'World',
];

$ix = 1;
$arr[$ix+1] = 'Brave New';

var_dump($arr);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

23.14 ms | 404 KiB | 5 Q