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@ 2019-03-23T07:03:18Z

<?php 

$limit = 4;
$indexes = range(0, $limit - 1);
shuffle($indexes);
foreach ($indexes as $index) {
    echo "$index\n";
}

Output
Performance
VLD
References
Branches

shuffle: documentation ( source)
range: documentation ( source)

preferences:dark modelive previewkey bindings

32.59 ms | 405 KiB | 5 Q