How I build User Registration and Form Validation Using CodeIgniter

The following is an important note in building a User Registration and Form Validation Using CodeIgniter.

routes.php

There are two lines that were change/added as follows:
  1. $route['default_controller'] = "register";
  2. $route['success'] = "register/success";

autoload.php

On line 55 we have added database and session to load automatically. This means that you do not need to call it in your controller.
$autoload['libraries'] = array('database','session');

config.php

There were only two lines of code that were changed here.
At line 17:
$config['base_url'] = 'http://localhost/CI/';
At line 227:
$config['encryption_key'] = '0rGBISBT61k7453Ooq6343KjtGe9Xjv4';
To generate a random key of your own please visit Random Keygen.

database.php

The last configuration is the database.
Don’t forget to change the following as follows:
  1. $db['default']['hostname'] = 'localhost';
  2. $db['default']['username'] = 'root';
  3. $db['default']['password'] = '';
  4. $db['default']['database'] = 'ci_tutorial';
Then we have added the following files according to the folder it belongs:
controller/register.php
helpers/registration_helper.php
models/register_model.php
views/register.php
views/success.php
Take note that you do not need to touch any code that is not under the application’s folder. That is, don’t modify any file under system’s folder.
CodeIgniter is a PHP framework and is maintained by the developer. Any modification to the system’s folder will be overwritten if you forgot to backup it when you upgrade to the latest version.

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