網頁隨機剪刀石頭布

<?php
 include("include/function.php");
 //第1步 取得亂數
 $handn=rand(1,3);
 //第2步 設定檔名
 if($handn==1){
  $handn="scissors.png"; 
 }elseif($handn==2){
  $handn="rock.png";
 }elseif($handn==3){
  $handn="paper.png";
 }
?>

<div class="rand">
 <img src="images/<?php echo $handn; ?>"/>>
</div>