Codeigniter - using session data in view

Question

I have a users first and last name stored in session data and I want to echo it out in the view so they can see who they are logged in as. I can't seem to get the data to pass. I'm sure this is something easy but I'm pretty new to CI and the whole MVC thing.

Controller Code:

public function index() {
    if($this->session->userdata('admin_signed_in')){
    $this->load->model('dashboard_model');
    $data['userdata'] = $this->session->userdata;
    $data['main_content'] = 'dashboard/dashboard';  
    $this->load->view('common/template', $data);
    } else {
    redirect('signin');
    }

}

View Code:

<?php echo $userdata('first_name') ?>  <?php echo $userdata('last_name') ?>

Print R Results:

Array ( [session_id] => 69db0f9ccbfde96d92cc09837067438c [ip_address] => ::1 [user_agent] => Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:16.0) Gecko/20100101 Firefox/16.0 [last_activity] => 1352998508 [user_data] => [0] => Array ( [admin_id] => 10 [first_name] => Richard [last_name] => Coy [admin_role] => 1 ) [admin_signed_in] => 1 )

You are using $userdata variable in a function format (using parantheses) while this is a variable and in your case is an array! try using $userdata['firstname'] instead — Aliweb
– Aliweb, Commented Nov 15, 2012 at 16:36

Darrrrrren · Accepted Answer · 2012-11-15 16:35:02Z

7

Controller code:

public function index() {

    ...
    $data['first_name'] = $this->session->userdata('first_name');
    ...
}

View code:

<?= $first_name; ?>

OR, if you want to pass the data like you currently are, you would access the view data userdata as an array, not a function, ie:

<?= $userdata['first_name'];?>

answered Nov 15, 2012 at 16:35

Darrrrrren

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6 Comments

Rich Coy Over a year ago

Nothing is getting passed to the view using the code you provided. I've added the print_r results to show that the data is there.

Darrrrrren Over a year ago

What is contained within $data['first_name'] after you assign the userdata to it?

Rich Coy Over a year ago

I don't know how to check that.

Rich Coy Over a year ago

I can hard code a value and it gets passed and displayed in the view. Something must be wrong with the session.

Rich Coy Over a year ago

I had several other problems with my session code. After I got those fixed your code worked. Thanks. This CI stuff is cool but also difficult to grasp at first.

|

Aliweb · Accepted Answer · 2012-11-15 17:07:34Z

1

As I mentioned in the comments , when you assign a value to array $data and pass it through Codeigniter view loader , the data will be available in the view part with variable names same to the array indexes.
for example when you do this:

$data['name'] = "bla bla";
$this->load->view('some_view', $data);

then the $name variable in the view will contain your passed value. In your case you are assigning an array to $data['userdata']. so the $userdata in the view will an array too.

So do like this:

echo $userdata['firstname'];
echo $userdata['lastname'];

in the view part.

edited Nov 15, 2012 at 17:07

answered Nov 15, 2012 at 16:45

Aliweb

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