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@ 2017-03-02T22:12:57Z

<?php

$explicit = [-2 => true, true, true];

$fill = array_fill(-2, 3, true);

$push = [-2 => true];
$push[] = true;
$push[] = true;

var_dump($explicit, $fill, $push);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_fill: documentation ( source)

preferences:dark modelive preview

56.02 ms | 402 KiB | 5 Q