system/Database/MySQLi/Connection.php
protected function _transCommit(): bool
	{
		if ($this->connID->commit())
		{
			$this->connID->autocommit(true);

			return true;
		}

		return false;
	}
protected function _transCommit(): bool
	{
		if ($this->connID->commit())
		{
			$this->connID->autocommit(true);

			return true;
		}

		return false;
	}
Commit Transaction

@return boolean