Comparison of php mysqli_commit() function and mysqli_autocommit() function

In this article, we introduce the definition, syntax and usage of the mysqli_commit and mysqli_autocommit functions to compare the differences between them. First, let’s introduce the mysqli_commit function:

Definition and usage

mysqli_commit() The function commits the current transaction of the specified database connection.

Tip: Please check the mysqli_autocommit() function, which is used to turn on or off automatic submission of database modifications. Please see the mysqli_rollback() function for rolling back the current transaction.

Syntax

mysqli_commit(connection);

Parameter description

connection Required. Specifies the MySQL connection to use.

Return value:

Returns TRUE if successful, returns FALSE if failed.

Definition and usage

mysqli_autocommit() The function turns on or off automatic submission of database modifications.

Syntax

mysqli_autocommit(connection,mode);

Parameter description

connection Required. Specifies the MySQL connection to use. ​

mode ​ ​ Required. If set to FALSE, auto-commit is turned off. If set to TRUE, auto-commit is turned on (committing any pending queries).

Return value:

Returns TRUE if successful, returns FALSE if failed.

Example display:

Turn off automatic submission, do some queries, and then submit the query:

<?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();   
}   
// 关闭自动提交  
mysqli_autocommit($con,FALSE);  
// 插入一些值  
mysqli_query($con,"INSERT INTO websites (name, url, alexa, country)  
VALUES (&#39;百度&#39;,&#39;https://www.baidu.com/&#39;,&#39;4&#39;,&#39;CN&#39;)");  
// 提交事务  
mysqli_commit($con);  
// 关闭连接  
mysqli_close($con);  
?>

The above is the detailed content of Comparison of php mysqli_commit() function and mysqli_autocommit() function. For more information, please follow other related articles on the PHP Chinese website!