Paradox/toolbox/TransactionManager.php
public function begin()
    {
        if ($this->_activeTransaction) {
            throw new TransactionManagerException("An active transaction already exists.");
        }

        $this->_activeTransaction = true;
        $this->_transactionPaused = false;

        return true;
    }
public function begin()
    {
        if ($this->_activeTransaction) {
            throw new TransactionManagerException("An active transaction already exists.");
        }

        $this->_activeTransaction = true;
        $this->_transactionPaused = false;

        return true;
    }
Begin a transaction.
@return boolean