$this->db->select('projectID');
	$this->db->from('project');
	$this->db->where('project.projectID', '1');
	$projectID = $this->db->get()->result();

	$this->db-> select('taskID');
	$this->db-> from('project_tasks');
	$this->db-> where('projectID', (string)$projectID);
	$tasks = $this->db->get()->result();