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@ 2014-10-13T04:52:48Z

<?php

$r = array();
if (($num = count($r)) > 1) {
          $rr = array_rand($r, $num);
        }
var_dump($r, $rr);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_rand: documentation ( source)

preferences:dark modelive preview

33.42 ms | 402 KiB | 5 Q