src/DatabaseConnection.php
public function beginTransaction() {
		if ($this->inTransaction) {
			return false;
		}

		$this->inTransaction = $this->pdo->beginTransaction();
		return $this->inTransaction;
	}
public function beginTransaction() {
		if ($this->inTransaction) {
			return false;
		}

		$this->inTransaction = $this->pdo->beginTransaction();
		return $this->inTransaction;
	}
public function beginTransaction ( ) { if ( $ this -> inTransaction ) { return false ; } $ this -> inTransaction = $ this -> pdo -> beginTransaction ( ) ; return $ this -> inTransaction ; }
Normalize to only a single transactions. In order to take advantange of
drivers that support nested transactions access the underlying PDO object
directly.

@return boolean
Normalize to only a single transactions . In order to take advantange of drivers that support nested transactions access the underlying PDO object directly .