how to pick a random number from an array in php code example

Example: php get random element from array

<?php
//array_rand ( array $array [, int $num = 1 ] ) 
$input = array("Neo", "Morpheus", "Trinity", "Cypher", "Tank");
$rand_keys = array_rand($input, 2);
echo $input[$rand_keys[0]] . "\n";
echo $input[$rand_keys[1]] . "\n";
?>