PHP Programming Tutorial 1 - php codeigniter4 configuration in xampp or wamp
PHP Programming Tutorial 2 - CodeIgniter 4 Application Structure
PHP Programming Tutorial 3 - What is MVC in Codeigniter 4
PHP Programming Tutorial 4 - Codeigniter 4 Environment Variables
PHP Programming Tutorial 5 - Controllers in CodeIgniter 4
PHP Programming Tutorial 6 - Views in CodeIgniter 4
PHP Programming Tutorial 7 - Models in CodeIgniter 4
PHP Programming Tutorial 8 - Remove index.php from URL in CodeIgniter 4
PHP Programming Tutorial 9 - Include header and footer in CodeIgniter 4
PHP Programming Tutorial 10 - Session in CodeIgniter 4
PHP Programming Tutorial 11 - URI Routing in CodeIgniter 4
PHP Programming Tutorial 12 - Highlight Menu using URI Segment in CodeIgniter 4
PHP Programming Tutorial 13 - Connect to Database in CodeIgniter 4
PHP Programming Tutorial 14 - Insert data in Database using CodeIgniter 4
PHP Programming Tutorial 15 - Retrieve data from Database using CodeIgniter 4
PHP Programming Tutorial 16 - Update data in Database using CodeIgniter 4
PHP Programming Tutorial 17 - Delete data in Database using CodeIgniter 4
PHP Programming Tutorial 18 - Generate PDF in CodeIgniter 4
PHP Programming Tutorial 19 - Send Email using PHPMailer in CodeIgniter 4
PHP Programming Tutorial 20 - Upload a File in CodeIgniter 4
🔰 PHP Programming Tutorial 10 - Session in CodeIgniter 4 🔰
The Session class allows you to maintain a user’s "state" and track their activity while they browse your site. To access and initialize the session: Example: We can also use the A We can use If you want to remove more that one value and an array data then you can use the same function remove(). To clear the current session (for example, during a logout), you may simply use either PHP’s While building a web application, we need to store some data for only one time, and later, we want to remove that data. For example, to display some error message or information message. In CodeIgniter, flashdata will only be available until the next request, and it will get deleted automatically. Add Flashdata: You can also pass an array to Retrieve Flashdata: Or to get an array with all flashdata, simply omit the key parameter:
Overview
Session Initialization
$session = \Config\Services::session($config);$this->session = \Config\Services::session();Add data to the session
set() method is used to add value to the session. It takes two arguments as a parameter first is session name and the second is session value.$this->session->set('session_name', 'any_value');set() function to pass an array to store values as shown below.$data = array( 'username' => 'chirags', 'email' => 'support@chirags.in', 'logged_in' => TRUE ); $this->session->set($data);Fetch data from Session
get() function is used to get data from the session. It takes the session key name as an argument. For example:$name = $this->session->get('username');Remove data from Session
remove() function that will remove data from the session.$this->session->remove('session_name');$data = array('username', 'email'); $this->session->remove($data);Destroying a Session
session_destroy() function, or the library’s destroy() method. Both will work in exactly the same way:session_destroy(); // or $this->session->destroy();Flashdata
$this->session->setFlashdata('item','value');setFlashdata(), in the same manner as set().$data = array( 'username' => 'chirags', 'email' => 'support@chirags.in' ); $this->session->getFlashdata($data);$this->session->getFlashdata('item');$this->session->getFlashdata();
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