How to implement transaction rollback in php

This article mainly introduces the simple implementation method of PHP transaction rollback, and analyzes the definition of PHP transactions, the specific operation skills of submitting and rolling back transactions in the form of examples. Friends in need can refer to this article

The example describes the simple implementation method of PHP transaction rollback. Share it with everyone for your reference, the details are as follows:

$servername="localhost"; $username="root"; $password="admin"; $dbname="test"; try{ $conn=new PDO("mysql:host=$servername;dbname=$dbname",$username,$password); $conn->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_EXCEPTION); //开始事务 $conn->beginTransaction(); $conn->exec("INSERT INTO `hello`(`firstname`,`lastname`,`email`)VALUES('YE','XIAMING','yexianming@163.com')"); $conn->exec("INSERT INTO `hello`(`firstname`,`lastname`,`email`)VALUES('YE','CONG','yecong@163.com')"); $conn->exec("INSERT INTO `hello`(`firstname`,`lastname`,`email`)VALUES('FANG','MENG','fangmeng@168.com')"); //提交事务 $conn->commit(); echo "New records created successfully!"; }catch(PDOException $e){ //回滚事务 $conn->rollBack(); echo $sql."
".$e->getMessage(); } $conn=NULL;

The above is the entire content of this article, I hope it will be helpful to everyone’s study .

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