PHP mysqli_stmt_init() 函数


实例

初始化声明并返回 mysqli_stmt_prepare() 使用的对象:

  1. <?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();
    }

    $city="Sandnes";

    // Create a prepared statement
    $stmt=mysqli_stmt_init($con);

    if (mysqli_stmt_prepare($stmt,"SELECT District FROM City WHERE Name=?"))
    {

    // Bind parameters
    mysqli_stmt_bind_param($stmt,"s",$city);

    // Execute query
    mysqli_stmt_execute($stmt);

    // Bind result variables
    mysqli_stmt_bind_result($stmt,$district);

    // Fetch value
    mysqli_stmt_fetch($stmt);

    printf("%s is in district %s",$city,$district);

    // Close statement
    mysqli_stmt_close($stmt);
    }

    mysqli_close($con);
    ?>

定义和用法

mysqli_stmt_init() 函数初始化声明并返回 mysqli_stmt_prepare() 使用的对象。

语法

  1. mysqli_stmt_init(connection);

参数 描述
connection 必需。规定要使用的 MySQL 连接。

技术细节

返回值: 返回一个对象。
PHP 版本: 5+