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@ 2013-11-23T14:27:48Z

<?php

$array = array("3","4","5");

$array_of_keys = array();

for ($i=0; $i < 10; $i++) { 
    $array_of_keys[] = array_rand($array, 3); 
}

print_r($array_of_keys);

Output
Performance
VLD
References
Branches

print_r: documentation ( source)
array_rand: documentation ( source)

preferences:dark modelive preview

33.5 ms | 402 KiB | 5 Q