transaction() public method
Executes callback provided in a transaction.
| public mixed transaction ( callable $callback, $isolationLevel = null ) | ||
|---|---|---|
| $callback | callable |
A valid PHP callback that performs the job. Accepts connection instance as parameter. |
| $isolationLevel | string|null |
The isolation level to use for this transaction. See yii\db\Transaction::begin() for details. |
| return | mixed |
Result of callback function |
| throws | Exception | |
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