# MongoDB\Driver\Session::isInTransaction

(mongodb >=1.6.0)

MongoDB\Driver\Session::isInTransaction — Returns whether a multi-document transaction is in progress

### 说明

final public MongoDB\Driver\Session::isInTransaction(): bool

Returns whether a multi-document transaction is currently in progress for this session. A transaction is considered "in progress" if it has been started but has not been committed or aborted.

### 参数

此函数没有参数。

### 返回值

Returns `true` if a transaction is currently in progress for this session, and `false` otherwise.

### 错误／异常

- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.

### 参见

- MongoDB\Driver\Session::getTransactionState() - Returns the current transaction state for this session

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