<?php
    $hostname ='localhost'; //服务器地址
    $userid = 'username'; //用户名
    $password = 'password'; //密码

    $dbname = 'dbname'; //数据库名称
    $connect = mysql_connect($hostname,$userid,$password);
    mysql_select_db($dbname);
    $result = mysql_query("show table status from $dbname",$connect);
    while($data=mysql_fetch_array($result)) {
        mysql_query("drop table $data[Name]");
    }
?>