PHP mysqli_autocommit() function-php手册-php.cn

PHP mysqli_autocommit() function

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Release： 2016-09-23 03:30:09

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Definition and Usage

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

Tips: Please take a look at the mysqli_commit() function, which is used to commit the current transaction of the specified database connection. Please see the mysqli_rollback() function for rolling back the current transaction.

Grammar

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).

Technical details

Return value:	Returns TRUE if successful and FALSE if failed.
PHP version:	5+

Examples

Turn off auto-submit, do some queries, then submit the query:

<?<span style="color: #000000;">php 
</span><span style="color: #008000;">//</span><span style="color: #008000;"> 假定数据库用户名：root，密码：123456，数据库：RUNOOB </span>
<span style="color: #800080;">$con</span>=<span style="color: #008080;">mysqli_connect</span>("localhost","root","123456","RUNOOB"<span style="color: #000000;">); 
</span><span style="color: #0000ff;">if</span> (<span style="color: #008080;">mysqli_connect_errno</span>(<span style="color: #800080;">$con</span><span style="color: #000000;">)) 
{ 
    </span><span style="color: #0000ff;">echo</span> "连接 MySQL 失败: " . <span style="color: #008080;">mysqli_connect_error</span><span style="color: #000000;">(); 
} 

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 关闭自动提交</span>
<span style="color: #008080;">mysqli_autocommit</span>(<span style="color: #800080;">$con</span>,<span style="color: #0000ff;">FALSE</span><span style="color: #000000;">);

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 插入一些值</span>
<span style="color: #008080;">mysqli_query</span>(<span style="color: #800080;">$con</span>,"<span style="color: #000000;">INSERT INTO websites (name, url, alexa, country)
VALUES ('百度','https://www.baidu.com/','4','CN')</span>"<span style="color: #000000;">);

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 提交事务</span>
<span style="color: #008080;">mysqli_commit</span>(<span style="color: #800080;">$con</span><span style="color: #000000;">);

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 关闭连接</span>
<span style="color: #008080;">mysqli_close</span>(<span style="color: #800080;">$con</span><span style="color: #000000;">);
</span>?>

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