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PDO	PDO::commit

	Last updated: Mon, 16 Jul 2012

PDO::beginTransaction

(no version information, might be only in CVS)

PDO::beginTransaction -- Initiates a transaction

说明

bool PDO::beginTransaction ( void )

警告

本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。

Turns off autocommit mode. Call PDO::commit() or PDO::rollback() to end the transaction and return to autocommit mode.

例

例子 1. Roll back a transaction

<?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 */ ?>

参见

PDO::commit()

PDO::rollBack()

PDO	PDO::commit

	Last updated: Mon, 16 Jul 2012

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Last updated: Thu Jul 7 19:13:47 2005 CST