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I am use following code to retrieve the session variable in routes.php
if($this->db_session->userdata('request_url')!="")
{
$route['user/(:any)'] = "search_user_name/redirect_url/".$_SESSION['request_url'];
$this->db_session->unset_userdata('request_url');
}
else {
$route['user/(:any)'] = "search_user_name/index/$1";
}
the session variable would be set into template/header.php
$this->db_session->set_userdata('request_url', $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"]);
963
Sessions data are available globally through the site but to use those data we first need to initialize the session. We can do that by executing the following line in constructor. $this->load->library('session'); After loading the session library, you can simply use the session object as shown below.
Routing rules are defined in routes. php file at the location application/config. In this file you'll see $route array, it permits you to specify your own routing criteria. Routes can be classified in two ways, either using Wildcards or Regular Expressions.
Initializing a Session Sessions will typically run globally with each page load, so the Session class should be magically initialized. To access and initialize the session: <? php $session = \Config\Services::session($config);
The Session class permits you maintain a user's “state” and track their activity while they browse your site. CodeIgniter comes with a few session storage drivers: files (default; file-system based) database.
You can not use db_session in routes.php because routes.php is parsed before db_session is loaded. Maybe you should create a base controller and redirect from the constructor of the base controller.
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