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@ 2016-04-07T02:02:01Z

<?php

    $arr = [1,2,3,4];
    $rnd = array_rand($arr, 3);
    
    //What you are doing
    echo $arr[1] . " - " . $arr[2] . " - " . $arr[3];
    
    echo "\n";
    
    //What you want to do
    echo $arr[$rnd[0]] . " - " . $arr[$rnd[1]] . " - " . $arr[$rnd[2]];

Output
Performance
VLD
References
Branches

array_rand: documentation ( source)

preferences:dark modelive previewkey bindings

49.57 ms | 404 KiB | 5 Q