PHP mysqli_next_result() 函数

实例

执行多个针对数据库的查询。请使用 mysqli_next_result() 函数来准备下一个结果集：

<?php
 $con=mysqli_connect("localhost","my_user","my_password","my_db");
 // Check connection
 if (mysqli_connect_errno($con))
 {
 echo "Failed to connect to MySQL: " . mysqli_connect_error();
 }

$sql = "SELECT Lastname FROM Persons ORDER BY LastName;";
 $sql .= "SELECT Country FROM Customers";

// Execute multi query
if (mysqli_multi_query($con,$sql))
{
 do
 {
 // Store first result set
 if ($result=mysqli_store_result($con))
 {
 while ($row=mysqli_fetch_row($result))
 {
 printf("%sn",$row[0]);
 }
 mysqli_free_result($con);
 }
 }
 while (mysqli_next_result($con));
}

mysqli_close($con);
 ?>