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                    Windows Environment   Install XAMPP or WAMP   Download and Unzip the package from Codeigniter.com   Extract all the documents in the server space (htdocs or www directory) Linux Environment  Download and Unzip the package from Codeigniter.com  Place the extracted folder in /var/www (in WAMP) or xampp/htdocs (XAMPP) Base URL   Go to application/config/config.php  Define base URL as $config['base_url'] = 'http://localhost/path/to/folder'; How to remove index.php from URL? go to root  create htaccess file  Add below code inside it  RewriteEngine on RewriteCond $1 !^(index\.php|assets|image|resources|robots\.txt) RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php/$1 [L,QSA] Note: .htaccess code varies depending on the hosting server. Some hosting servers (e.g.: Godaddy) need to use an extr...

Welcome to Codeigniter Codeigniter is an Application development framework. Codeigniter framework is based on the Model-View-Controller development pattern. MVC is a software approach that separates application logic from presentation. Current Version Codeigniter 4 Old Version Codeigniter 3 Model Model is used to access data from the database. If we need to get data from the database so we have to create a query (logic) for the database. View The view is used to create a view of the website. We can say, design of the website. We can create view (HTML, CSS, JavaScript, Ajax etc.). Users directly interact with the view of the website. Controller A controller is responsible for controlling the way that users interact with the MVC application. A controller is used to create logic for an application.  

Codeigniter registration form with validation using Ajax In this tutorial, we will understand how to create a simple registration form using CodeIgniter.  Before starting we have to create a  Unique constraint (email id is a unique constraint in the database table) because if we enter a  Duplicate email id the  database will through a duplicate entry error and we can print an error. Otherwise, we can use another method using programming. we can check email-id already exist or not.  Create database table using Mysql database CREATE TABLE `registration` ( `id` int(11) NOT NULL, `username` varchar(100) NOT NULL, `email` varchar(100) NOT NULL, `country` varchar(100) NOT NULL, `password` varchar(200) NOT NULL, `agree` varchar(10) NOT NULL, `created_at` datetime NOT NULL DEFAULT current_timestamp(), `update_at` datetime NOT NULL DEFAULT current_timestamp() ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4; Insert Data  INSERT INTO `registratio...