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PHP : Function Reference : PDO Functions : PDO->beginTransaction()

PDO->beginTransaction()

Initiates a transaction ()

Example 1753. Roll back a transaction

The following example begins a transaction and issues two statements that modify the database before rolling back the changes. On MySQL, however, the DROP TABLE statement automatically commits the transaction so that none of the changes in the transaction are rolled back.

<?php
/* Begin a transaction, turning off autocommit */
$dbh->beginTransaction();

/* Change the database schema and data */
$sth = $dbh->exec("DROP TABLE fruit");
$sth = $dbh->exec("UPDATE dessert
   SET name = 'hamburger'"
);

/* Recognize mistake and roll back changes */
$dbh->rollBack();

/* Database connection is now back in autocommit mode */
?>

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PDO->beginTransaction()
PDO->commit()
PDO->__construct()
PDO->errorCode()
PDO->errorInfo()
PDO->exec()
PDO->getAttribute()
PDO->getAvailableDrivers()
PDO->lastInsertId()
PDO->prepare()
PDO->query()
PDO->quote()
PDO->rollBack()
PDO->setAttribute()
PDOStatement->bindColumn()
PDOStatement->bindParam()
PDOStatement->bindValue()
PDOStatement->closeCursor()
PDOStatement->columnCount()
PDOStatement->errorCode()
PDOStatement->errorInfo()
PDOStatement->execute()
PDOStatement->fetch()
PDOStatement->fetchAll()
PDOStatement->fetchColumn()
PDOStatement->fetchObject()
PDOStatement->getAttribute()
PDOStatement->getColumnMeta()
PDOStatement->nextRowset()
PDOStatement->rowCount()
PDOStatement->setAttribute()
PDOStatement->setFetchMode()
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