<?php

// 假定数据库用户名：root，密码：123456，数据库：RUNOOB

$con=mysqli_connect("localhost","root","123456","RUNOOB");

if (mysqli_connect_errno($con))

{

    echo "连接 MySQL 失败: " . mysqli_connect_error();

} 

$sql = "SELECT name FROM websites ORDER BY alexa;";

$sql .= "SELECT app_name FROM apps";

// 执行多个查询

if (mysqli_multi_query($con,$sql))

{

    do

    {

        // 存储第一个结果集

        if ($result=mysqli_store_result($con))

        {

            while ($row=mysqli_fetch_row($result))

            {

                printf("%s",$row[0]);

                echo "<br>";

            }

        }

    } while (mysqli_next_result($con));

}

mysqli_close($con);

?>