gistfile1.php

<?php
	public function create_user_and_landlord($values)
	{
		$this->_db->begin();
		
		$errors = NULL;
		
		try
		{
			$this->values($_POST, $this->form_fields());
			$this->save();
			$this->_db->commit();
		}
		catch (ORM_Validate_Exception $e)
		{
			$this->_db->rollback();
			$errors = $e;
		}
		
		try
		{
			$landlord = ORM::factory('landlord');
			$landlord->values($_POST, $landlord->form_fields());
			$landlord->save();
		}
		catch (Database_Exception $e)
		{
			$errors->merge($e);
			$this->_db->rollback();
		}
	}