php随机转跳页面
<?php
$url[0] = "http://www.baidu.com/ ";
$url[1] = "http://www.qq.com/ ";
$url[2] = "http://www.google.cn/ ";
$url[3] = "http://www.taobao.com/ ";
srand ((double)microtime()*1000000);
$randomnum = rand(0, 3);
header ("Location: $url[$randomnum]");
?>