Session lost after redirect in Codeigniter

Question

I'm using codeigniter as a framework. Firstly, I use `localhost` but when I change to my IP address the login function doesn't work anymore. I found that the session is lost after redirect to another controller. Here is the result of `print_r($this->session->all_userdata());` ``` [session_id] => 7b00fa0f8790f48d24446f9eb4e6aab2 [ip_address] => 10.42.68.71 [user_agent] => Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.83 Safari/537.1 [last_activity] => 1285962398 [user_data] => ``` As you can see it doesn't have any data passed to `user_data` but it was set before redirect when I test. I separate the controller to two which the first one is users -> handler of login function and another is planner which handler of the link that I redirect from users controller. `users.php` (first controller): ``` $this->load->model('users_model'); $this->load->model('mymodel'); $this->load->database(); $email = $this->input->post('email'); $pass = $this->input->post…

Accepted Answer

I have the exact same problem and here's what I do. First, go to file `system/libraries/Session/Session.php`. Comment `session_start();` on line `140`. On `function _configure`, comment few lines under `// Security is king`

```
//      ini_set('session.use_trans_sid', 0);
//      ini_set('session.use_strict_mode', 1);
//      ini_set('session.use_cookies', 1);
//      ini_set('session.use_only_cookies', 1);
//      ini_set('session.hash_function', 1);
//      ini_set('session.hash_bits_per_character', 4);
```

Second, go to file `index.php` on your root project. Put, `session_start();` below `<?php`

Hope this helps.

Session lost after redirect in Codeigniter

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