base_url not loading in codeigniter

Question

I am using this in my viewregistration.php file

<html>
<head>
<link rel="stylesheet" type="text/css" href="<?php echo $base_url; ?><?php echo $css; ?>reg_style.css" />
<link rel="stylesheet" type="text/css" href="<?php echo $base_url; ?><?php echo $css; ?>style.css" />
</head>
<body>
    <?php $this->load->view('include/header');?>
    <?php $this->load->view('registration_view.php');?>
    <?php $this->load->view('include/footer');?>
</body>
</html>

And I am calling it in my conltroller as

$data['title']= 'Registration';
$this->load->view("viewregistration.php", $data);

And in my controller I am using

parent::__construct();

        $this->load->helper('url');
        $this->load->helper('form');

        $this->load->database();
        $this->load->model('user_model');
        $this->load->model('systemdata');

        $this->data['css'] = $this->systemdata->get_css_filespec();
        $this->data['scripts'] = $this->systemdata->get_scripts_filespec();
        $this->data['base_url'] = $this->systemdata->get_base_url();

But the css file is not loading. It show some error like

A PHP Error was encountered

Severity: Notice

Message: Undefined variable: base_url

and

A PHP Error was encountered

Severity: Notice

Message: Undefined variable: css

What I am doing wrong? I have used autoload url helper. But the result remains same.

Please show how you're loading your view file.

Colin Brock
– Colin Brock

2012-04-17 20:38:12 +00:00
Commented Apr 17, 2012 at 20:38 — Colin Brock
– Colin Brock, Commented Apr 17, 2012 at 20:38

Colin Brock · Accepted Answer · 2012-04-17 20:59:56Z

2

Your variables aren't defined because you're not actually passing them to your view. $data and $this->data are not the same thing.

Here, you are correctly passing the $data array to your view:

$data['title']= 'Registration';
$this->load->view("viewregistration.php", $data);

But notice here how you're assigning your variables to $this->data, which never gets passed to the view:

$this->data['css'] = $this->systemdata->get_css_filespec();
$this->data['scripts'] = $this->systemdata->get_scripts_filespec();
$this->data['base_url'] = $this->systemdata->get_base_url();

You either need to assign your variables to $data or pass $this->data to your view.

answered Apr 17, 2012 at 20:59

Colin Brock

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Comments

He Hui · Accepted Answer · 2012-04-20 23:12:40Z

1

I dont think this line is necessary.

$this->data['base_url'] = $this->systemdata->get_base_url();

What you can do instead, is this.

<link rel="stylesheet" type="text/css" href="<?php echo base_url($css.'reg_style.css'); ?>" />

base_url() is a CI function that gives you, the base url.

Sources: http://codeigniter.com/user_guide/helpers/url_helper.html

answered Apr 20, 2012 at 23:12

He Hui

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