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PHP mysqli_rollback () function

PHP mysqli Reference Manual PHP mysqli Reference Manual

Turn off auto-commit, do some queries, submit the query, and then roll back the current transaction:

<?php 
// 假定数据库用户名:root,密码:123456,数据库:w3big 
$con=mysqli_connect("localhost","root","123456","w3big"); 
if (mysqli_connect_errno($con)) 
{ 
    echo "连接 MySQL 失败: " . mysqli_connect_error(); 
} 

// 关闭自动提交
mysqli_autocommit($con,FALSE);

// 插入数据
mysqli_query($con,"INSERT INTO websites (name, url, alexa, country)
VALUES ('百度','https://www.baidu.com/','4','CN')");
mysqli_query($con,"INSERT INTO websites (name, url, alexa, country)
VALUES (Facebook','https://www.facebook.com/','2','USA')");

// 提交事务
mysqli_commit($con);

//回滚事务
mysqli_rollback($con);

// 关闭连接
mysqli_close($con);
?>

Definition and Usage

mysqli_rollback () function to roll back the current transaction specified database connection.

Tip: Check out mysqli_commit () function is used to commit the current transaction specified database connection. See the mysqli_autocommit () function is used to enable or disable auto-commit database changes.


grammar

mysqli_rollback( connection ) ;

参数 描述
connection 必需。规定要使用的 MySQL 连接。

technical details

return value: If successful it returns TRUE, on failure returns FALSE.
PHP version: 5+


PHP mysqli Reference Manual PHP mysqli Reference Manual