gistfile1.php

<?php
$suits = array('C', 'D', 'H', 'S');
$cards = array(2, 3, 4, 5, 6, 7, 8, 9, 10, 'J', 'Q', 'K','A');

$deck = array();
foreach ($suits as $suit) {
   foreach ($cards as $card) {
       array_push($deck, $suit . $card);
   }
}

$deck = shuffle_the_array($deck);
echo print_r($deck);

function shuffle_the_array($array) {
    $i = count($array);

    while(--$i) {
        $j = mt_rand(0, $i);

        if ($i != $j) {
            $tmp = $array[$j];
            $array[$j] = $array[$i];
            $array[$i] = $tmp;
        }
    }

    return $array;
}
?>