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How to Build a Web Solution Using CodeIgniter and MySQL

How to Build a Web Solution Using CodeIgniter and MySQL

Web development of all kinds has soared throughout the pandemic. As businesses and organizations moved online, the web almost replaced the physical world. Web solution platforms like CodeIgniter, too, saw a dramatic surge in usages. CodeIgniter is a PHP framework with a comparatively small footprint. But seasoned CodeIgniter developers are known for creating unique web capabilities.

In this blog post, we’ll discuss how you can create a web directory using CodeIgniter and MySQL. Being a lightweight MVC framework, CodeIgniter offers unique advantages. And that’s why CodeIgniter web development is growing its presence across industries.

CodeIgniter recently released its latest edition, version 4. CodeIgniter 4 is based on a shorter and cleaner code CodeIgniter 3. The new version improves a diverse range of web development capabilities. It features the power of PHP 7, REST APIs, backward compatibility-free coding. In the following parts of this post, we’ll discuss how you can use this PHP framework to build a web-based business directory. Let’s dive right in.

Build a Web Solution Using CodeIgniter and MySQL

Installing CodeIgniter 

Before installing CodeIgniter, make sure that you have PHP, MySQL, and Apache on your work machine. The best way to install the framework is to get the XAMPP. It comes with the package of Apache, PHP, and MySQL.

After installing the framework, you can easily set up CodeIgniter.

You need to go to the Download page and get the latest version (CodeIgniter 4, as of this writing.) Then follow CodeIgniter’s installation instructions. These include unzipping the folder into your server’s root.

The root is usually htdocs for XAMPP or could be a custom folder if you have installed Apache. The next step is reaming your folder. After renaming, you need to verify everything and check the welcome message.

Setting up the database

For CodeIgniter web development, first you need to create a database ‘bizdir’. Then you need to create a table directory within that database. Here’s the code:


   id int auto_increment primary key,

   business_name varchar(255) not null,

   category varchar(255) not null,

   address varchar(255) not null,

   phone varchar(255),

   website varchar(255),

   email varchar(255),

   image varchar(255)


Following this, go to the application/config/database.php and set up the right configuration for your database. The database will ask you to create a username and password.

Writing the Code 

As mentioned earlier, CodeIgniter relies on the MVC architecture. So, you will have models, views, and controllers for your web solutions. While models are related to your database, the view is the HTML frontend. The controller is the logic that connects the models with views. Your solution’s business logic is defined by the controller.

The Models, View & Controller

For the MVC architecture, first, you need to create a file Bizdir_model.php inside the application. You could add the below code for creating a specific class called Business_model.


class Bizdir_model extends CI_Model {

    public function __construct()





Next you need to create a controller that loads data from the model and connects with the view. You can build it by creating a Bizdir.php file inside the web application. The controller class, like the model, inherits a CI_controller class.

The final phase MVC is the creation of the view. First, create a folder template inside the application/views. Then create two files, namely hader.php inside the templates. You need to create another folder as well inside application/views and then make a file index.php.

Routing the Web Solution

When it comes to CodeIgniter web development, routing plays a critical role in the project. Once you have the MVC architecture in place, create routes to see the specific view for your application. Start by opening application/config/router.php and scroll to the bottom. If the name of the controller is provided like ‘bizder, we’ll call the index() method by default. Likewise, if the URL is presented after ‘dir/’ we’ll call it the any() method.

After routing, you can see the data coming from the database to the view. Then you need to give the finishing touch to your solution. Finalize the layout and add the desired features to your web solution.

Wrapping up

CodeIgniter is known for its elegant design and developer-friendly capabilities. Using the PHP framework, you could build websites and web apps with advanced functionalities. From clear documentation to air-tight security, CodeIgniter benefits developers and business owners alike. At CodeIgniter India, a CodeIgniter development company, we build exceptionally customized websites and web apps for diverse kinds of business needs. We have clients spread across all major industry verticals and markets around the world. 

Frequently Asked Question

Frequently Asked Question

How much does it cost to build a website in CodeIgniter?

The development cost for a website in CodeIgniter depends on what kind of website you need. Costs are lower for a website with basic themes and features. If you need a high-performance site with more advanced features, the pricing will be different.

How long does it take to build a CodeIgniter website?

There’s no predefined time for building a website in CodeIgniter. It varies widely depending on the type of website and design elements being used. The best way to know an estimated time is to consult experts. CodeIgniter India delivers stunning website designs within a short development time.

What is MVC architecture?

Model–view–controller (MVC) software architecture enables developers to create an incredibly responsive user interface. It’s a software design pattern used for creating UIs that divide the related program logic into three interconnected elements. It’s widely popular in the community of web developers.

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