db/Transaction.php

PHP class representing a database transaction with commit, rollback, and isolation level support.

// Source: https://github.com/yiisoft/yii2 | License: BSD-3-Clause | Copyright 2008 by Yii Software (https://www.yiiframework.com/)
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<?php

/**
 * @link https://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license https://www.yiiframework.com/license/
 */

namespace yii\db;

use Yii;
use yii\base\InvalidConfigException;
use yii\base\NotSupportedException;

/**
 * Transaction represents a DB transaction.
 *
 * It is usually created by calling [[Connection::beginTransaction()]].
 *
 * The following code is a typical example of using transactions (note that some
 * DBMS may not support transactions):
 *
 * ```
 * $transaction = $connection->beginTransaction();
 * try {
 *     $connection->createComm

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