index action - tasks

welcome.php

public function index()
{
    $month = (!$this->uri->segment(4)) ? date('m') : $this->uri->segment(4);
	
    $tasks = $this->tasks_model->get_tasks($month);
    if($tasks == 0)
    {
        $data['cal'] = $this->calendar->generate($this->uri->segment(3), $this->uri->segment(4));
    }
    else
    {
        $data['cal'] = $this->calendar->generate($this->uri->segment(3), $this->uri->segment(4), $tasks);
    }
	
    $this->load->view('welcome_message', $data);
}