01.<?
02. $cards = array();
03. for ($i = 0; $i < 12; $i++) {
04. $card = mt_rand(1, 50);
05. if(!in_array($card, $cards)){
06. $cards[$i] = $card;
07. }else{
08. $i--;
09. }
10.
11. }
12.
13. $count_arr=count($cards);
14. echo $count_arr."<br>";
15.
16. foreach ($cards as $cards) {
17. echo $cards.",";
18. }
19.?>
