Variable value in codeigniter views

Question

I am trying to pass a variable from a controller to a view. I have some code but in order to understand what is the problem I made it simple. Here is my controller:

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

    class Welcome extends CI_Controller {

        $p=2;

        public function index()
        {
            $this->load->view('welcome_message',$p);
        }
    }

?>

Variable p is declared in the view.

<div id="container">
    <h1>Welcome to CodeIgniter!</h1>
    <?php echo $p?>
</div>

When I try to display the $p value, I obtained the error:

ERROR

Parse error: syntax error, unexpected '$p' (T_VARIABLE), expecting function (T_FUNCTION) in C:\wamp\www\..\application\controllers\welcome.php on line 20

What's wrong?

Thanks.

Rooneyl · Accepted Answer · 2013-01-31 11:32:35Z

3

First of variables need to be passed as an array (check out the docs).

$data = array(
               'title' => 'My Title',
               'heading' => 'My Heading',
               'message' => 'My Message'
          );

$this->load->view('welcome_message', $data);

$p has been declared out of the scope of the function, so either;

public function index() {
   $p = 2;
   $this->load->view('welcome_message',array('p' => $p));
}

or

class Welcome extends CI_Controller {

public $p=2;

public function index()
{
    $this->load->view('welcome_message',array('p' => $this->p));
}
}

edited Jan 31, 2013 at 11:32

answered Jan 31, 2013 at 11:25

Rooneyl

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6 Comments

axmug Over a year ago

Yes. it works now. But when I changed in my real code I have another error: A PHP Error was encountered Severity: Notice Message: Undefined property: CI_Loader::$arrPermisos Filename: marketing/campanas.php Line Number: 6 The controller code: public function index() { $this->load->view("marketing/campanas",$this->arrPermisos); } The view code:

<ul class="menuArea"> 						<?php if ($this->arrPermisos["campanas_leer"]) { ?> 						<li class="current"><a href="/comercial/campanas/">CampaÃ±as</a></li> 						<?php } ?> 					</ul>

What's wrong?

Rooneyl Over a year ago

@axmug is $this->arrPermisos a hash array?

axmug Over a year ago

Yes. It is an array where roles users are saved.

Rooneyl Over a year ago

when referencing in the view code you need to use the key of the array element as the variable. E.g in controller array('foo' => 1) then when passed into your view access it by $foo

axmug Over a year ago

Yes. I tried it but it doesn't work. And I don't know why. If I type:

<?php if ($arrPermisos["campanas_leer"]) { ?> <li class="current"><a href="/comercial/campanas/">CampaÃ±as</a></li> <?php }

the error is undefined variable arrPermisos.

|

Mudshark · Accepted Answer · 2013-01-31 11:24:53Z

0

You should declare $pin your controller's constructor:

class Welcome extends CI_Controller {

    function __construct() {
    parent::__construct();
        $this->p = 2;
    }

    public function index()
    {
        $data['p'] = $this->p;
        $this->load->view('welcome_message',$data);
    }
}

?>

answered Jan 31, 2013 at 11:24

Mudshark

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