每一次打开页面随机运作一段代码。其他几段不运行的代码

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Release: 2016-06-13 13:19:39
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每一次打开页面随机运行一段代码。其他几段不运行的代码,
每一次打开页面随机运行一段代码。其他几段不运行代码

用户打开网站

显示几个广告代码中的一个

打开另外一个页面

再次显示另外一段广告代码。求代码

------解决方案--------------------

PHP code

$rd = rand(0,5);

switch($rd){
case 1:
    echo "1111";
    break;
case 2:
    echo "2222";
    break;
case 3:
echo "3333";
case 4:
    echo "4444";
    break;

default:
    echo "sorry";
    break;
} <div class="clear">
                 
              
              
        
            </div>
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