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Editorial Team
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Asked: 2026-06-02T02:10:18+00:00

I am using this in my viewregistration.php file <html> <head> <link rel=stylesheet type=text/css href=<?php

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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.

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1 Answer

  1. Editorial Team

    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.

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