Transaction rollback of Zend framework

From: Zend framework Manual

By defaultZend_db_adapter
Yes) the automatic commit mode is used.
That is to say, the commit operation is performed when all database operations are executed. If you try to execute transaction processing, the simplest thing is to call
Begintransaction ()
And then select Commit or rollback. After,Zend_db_adapter
Will return to the automatic commit mode until you callBegintransaction ()
Method.

<? PHP

// Create a $ db object (in this exampleZend_db_adapter), And then start a transaction.
$ Db-> begintransaction ();

// Try database operations.
// If the operation succeeds, commit the operation;
// Assume that roll back.
Try {
$ Db-> query (...);
$ Db-> commit ();
} Catch (exception $ e ){
$ Db-> rollback ();
Echo $ e-> getmessage ();
}

?>