PHP mysqli_stmt_init() 函数

<?php
// 假定数据库用户名：root，密码：123456，数据库：codingdict
$con=mysqli_connect("localhost","root","123456","codingdict");
if (mysqli_connect_errno($con))
{
    echo "连接 MySQL 失败: " . mysqli_connect_error();
}
// 修改数据库连接字符集为 utf8
mysqli_set_charset($con,"utf8");

$country="CN";

// 创建预处理语句
$stmt=mysqli_stmt_init($con);

if (mysqli_stmt_prepare($stmt,"SELECT name FROM websites WHERE country=?"))
{

    // 绑定参数
    mysqli_stmt_bind_param($stmt,"s",$country);

    // 执行查询
    mysqli_stmt_execute($stmt);

    // 绑定结果变量
    mysqli_stmt_bind_result($stmt,$name);

    // 获取值
    mysqli_stmt_fetch($stmt);

    printf("%s 国家的网站为：%s",$country,$name);

    // 关闭预处理语句
    mysqli_stmt_close($stmt);
}

mysqli_close($con);
?>

mysqli_stmt_init( _connection_ ) _;_