In getOrganisatie moet de waarde van $orga_id in komen... de waardes zijn allemaal al gezet en kloppen.

waarde ophalen

<?php

class Ticketmodel extends CI_Model {
    
    function getOrganisatie($orga_id) {
        $r = $this->db->query('SELECT * FROM organisatie WHERE id = '.$orga_id);
            
        if($r->num_rows() > 0) {
            $data2[] = $r->result();
        return $data2;
        }
        
    }
    
    function getOneTicket($id) {
        $q = $this->db->query('SELECT * FROM tickets WHERE id = '.$id);
        
        if($q->num_rows() > 0) {
            foreach($q->result() as $row) {
                $data[] = $row;
            }
            $orga_id = $row->organisatie_id;
            getOrganisatie($orga_id);
            
        return $data;
        }
        
    }
    
    function getTickets() {
        $q = $this->db->query('SELECT * FROM tickets WHERE status != "closed" ORDER BY datum DESC');
        
        if($q->num_rows() > 0) {
            foreach($q->result() as $row) {
                $data[] = $row;
            }
        return $data;
        }
        
    }
    
}