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Hello I am new to CodeIgniter and PHP, I am trying to setup it for the firs time, but it give the following error.
Fatal error: Call to undefined function base_url() in
C:\wamp\www\Test-CI\application\views\layout.php on line 5
{main}( ) IN ..\index.php:0 require_once('C:\wamp\www\Test-CI\system\core\CodeIgniter.php' ) IN ..\index.php:202
call_user_func_array ( ) IN ..\CodeIgniter.php:359
Home->index( ) IN ..\CodeIgniter.php:0
CI_Loader->view( ) IN ..\home.php:17
CI_Loader->_ci_load( ) IN ..\Loader.php:419
include('C:\wamp\www\Test-CI\application\views\layout.php' ) IN ..\Loader.php:833
My code :
<html> <head> <meta http-equiv="Content-type" content="text/html; charset=utf-8"> <title>Galleriffic | Custom layout with external controls</title> <link rel="stylesheet" href="<?php base_url(); ?>/assets/css/basic.css" type="text/css" /> <link rel="stylesheet" href="<?php base_url(); ?>/assets/css/galleriffic-5.css" type="text/css" /> <!-- <link rel="stylesheet" href="<?php base_url(); ?>/assets/css/white.css" type="text/css" /> --> <link rel="stylesheet" href="<?php base_url(); ?>/assets/css/black.css" type="text/css" /> <script type="text/javascript" src="<?php base_url(); ?>/assets/js/jquery-1.3.2.js"></script> <script type="text/javascript" src="<?php base_url(); ?>/assets/js/jquery.history.js"></script> <script type="text/javascript" src="<?php base_url(); ?>/assets/js/jquery.galleriffic.js"></script> <script type="text/javascript" src="<?php base_url(); ?>/assets/js/jquery.opacityrollover.js"></script> <!-- We only want the thunbnails to display when javascript is disabled --> <script type="text/javascript"> document.write('<style>.noscript { display: none; }</style>'); </script> </head> 
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base_url() is the URL of your CodeIgniter root or the location of the index. php file along with a trailing slash appended to the end of the URL. If the domain name is example.com and the website is using HTTPS as well as www. Further, the index.
CodeIgniter's URL helpers are groups of utility functions which will help you to call ,create and maintain url. It mainly have more than 20 helpers some of them you might be familiar with are URL, email, form etc. These are some common helper functions that generaly used in web based application for email, files, URLs.
You have to load the url helper to access that function. Either you add
$this->load->helper('url'); somewhere in your controller.
Alternately, to have it be loaded automatically everywhere, make sure the line in application/config/autoload.php that looks like
$autoload['helper'] = array('url'); has 'url' in that array (as shown above).
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