Code Igniter (начало начал))

<?php
class Afisha extends Controller {

    function index(){
        $pageData['title'] = "Gookit Афиша – главная";
        $pageData['billboards'] = $this->getAllAfisha();
        if ($pageData['billboards'] == false) {
            $pageData['errorAfisha'] = "Мероприятия не найдены";
        }
        $this->load->view('afisha', $pageData);
    }

    function getAllAfisha(){
        $qGetAll = "SELECT  `afisha`.`afisha_title`, `afisha`.`afisha_min_discription`
                            `afisha`.`afisha_organizat_people`, `afisha`.`afisha_partner_people`,
                            `afisha`.`afisha_sait`
                    FROM `afisha`";
        $res = $this->db->query($qGetAll);
        $afishaData = $res->result_array();
        if (count($afishaData) == 0) {
            return false;
        }
    return $afishaData;
    }

    function getAfishaDetails($afisha_id) {
        if(!isset($afisha_id) OR !$afisha_id){
            return false;
        }else{
        $qGetAfisha = "SELECT  `afisha`.`afisha_title`, `afisha`.`afisha_full_discription`
                                `afisha`.`afisha_organizat_people`, `afisha`.`afisha_partner_people`,
                                `afisha`.`afisha_sait`
                       FROM `afisha` WHERE `afisha`.`afisha_id`=?";
        $res = $this->db->query($qGetAfisha, array($afisha_id));
        $afishaData = $res->result_array();
        if (count($afishaData) == 0) {
            return false;
        }
        return $afishaData[0];
        }
    }

    function addAfisha($afisha_title, $afisha_min_desc, $afisha_full_desc){
        $title = $this->input->post('afisha_title');
        $min_discript = $this->input->post('afisha_min_discription');
        $full_discript = $this->input->post('afisha_full_discription');

        $qSetAfisha="INSERT INTO `afisha` (`afisha_title`,`afisha_min_discription`, `afisha_full_discription`) VALUES ($title, $min_discript, $full_discript)";
        $res = $this->db->query($qSetAfisha);
    }

    function modAfisha($afisha_id){
        $title = $this->input->post('afisha_title');
        $min_discript = $this->input->post('afisha_min_discription');
        $full_discript = $this->input->post('afisha_full_discription');

        $qSetAfisha="UPDATE `afisha`
                        SET
                    `afisha_title` = {$title},
                    `afisha_min_discription` = {$min_discription},
                    `afisha_full_discription` = {$full_discription},
                    `afisha_organizat_people` = {$organizat_people},
                    `afisha_partner_people` = {$partner_people},
                    `afisha_sait` = {$sait}
                        WHERE `afisha`.`afisha_id`={$afisha_id};
                    ";
        $res = $this->db->query($qSetAfisha);
    }

    function delAfisha($afisha_id){
        if(!isset($afisha_id) OR !$afisha_id){
            return false;
        }else{
         $qGetAfisha= "SELECT FROM `afisha` WHERE `afisha`.`afisha_id`=? LIMIT 1";
         $res = $this->db->query($qGetAfisha, array($afisha_id));
         return true;
         }
    }

}

function addAfisha(){
        $title = $this->input->post('afisha_title');
        $min_discript = $this->input->post('afisha_min_discription');
        $full_discript = $this->input->post('afisha_full_discription');
 
        $qSetAfisha="INSERT INTO `afisha` (`afisha_title`,`afisha_min_discription`, `afisha_full_discription`) VALUES ($title, $min_discript, $full_discript)";
        $res = $this->db->query($qSetAfisha);
    }

    public function index(){
    } 
 
    public function getAllAfisha(){
    } 
 
    public function getAfishaDetails($afisha_id) {
       
    } 
 
    private function addAfisha($afisha_title, $afisha_min_desc, $afisha_full_desc){
   
    } 
 
    private function modAfisha($afisha_id){
    } 
 
    private function delAfisha($afisha_id){

    } 

private function addAfisha(){