codeigniter : user profile page - php

Question

Hello i have problem with the user profile page in codeigniter .
So here is my user controller :
<?php
class User extends CI_Controller {
function users() {
parent::user();
}
function index($id = null) {
if($id == null) {
redirect('/', 'refresh');
}
else {
$data['title'] = 'User Page';
$data['result'] = $this->users_model->get_user_info();
$data['id'] = $id;
$data['main_content'] = "main/profile_view" ;
$this->load->view('home',$data);
}
}
}
?>
And this is the function in the model :
public function get_user_info(){
$this->db->where('id' , 'id');
$q = $this->db->get('users');
if ($q->num_rows > 0) {
return $q->result();
} else {
return false;
}
}
And this is the routes file :
$route['user/(:any)'] = "user/index/$1";
i get this error in localhost/cc/user/1
Fatal error: Call to a member function get_user_info() on null in C:\xampp\htdocs\cc\application\controllers\user.php on line 12
And i want to know how to display the user data in the view

Answer 1

in your controller i think this line:
$data['result'] = $this->users_model->get_user_info();
should be:
$data['result'] = $this->users_model->get_user_info($id);
and in your model this:
public function get_user_info(){
$this->db->where('id' , 'id');
should be this:
public function get_user_info($id){
$this->db->where('id' , $id);
// ================= next question
i tried it , but when i enter a non exist id after user/. , it displays the profile vue
yeah i was going to wrap it in an IF but then got lazy -- here's one way
check if the result did not come back -- so after you check to see if $id is NULL -- if $data['result'] did not come back from the model then go to a method like showUserNotFound($id).
elseif ( ! $data['result'] = $this->users_model->get_user_info($id) ){
$this->showUserNotFound($id); }
else { $data['title'] = 'User Page';
$data['id'] = $id;
$data['main_content'] = "main/profile_view" ;
$this->load->view('home',$data); }