Multiple database connections are also available in a single Codeigniter programme. All we have to do now is add the database configuration array to the database. Then, with the help of "$this->load->database('another db', TRUE);," we can easily load specified database data.

CodeIgniter includes a full-featured, lightning-fast abstracted database class that supports both traditional and Active Record database structures. The database functions have a straightforward, easy-to-understand syntax.

You can save your database connection values in CodeIgniter's config file (username, password, database name, etc.). The database configuration file may be found in application/config/database.php. By putting database, you may also set database connection values for certain contexts.

  • Install Codeigniter 4.
  • Facilitate Codeigniter Errors.
  • Connect Database.
  • Create Model.
  • Create User Controller.
  • Define Route.
  • Fetch Records from Database with AJAX.
  • Start the Application.

Hooks in CodeIgniter allow you to access and modify the framework's inner workings without having to edit the core files. When you execute CodeIgniter, it follows a precise execution procedure that is depicted on the Application Flow page.

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