Feb 2014

Build a web application using CodeIgniter framework

Posted by Dipak Tewary

There are so many software frameworks available in the market today that developers or website owners do not find it a daunting task any more. However, with all these frameworks, it is always important to understand what the user wants and which one will be the best framework to build a web application. From the overall user experience, it can be stated that the PHP framework is the most appreciated among all the other frameworks. Its easy usability and simplicity has attracted many users. The developers who use PHP will surely know about its advantages. For all these users, there is good news. You can now create web application using CodeIgniter web development framework, the most effective PHP framework available today. Using this great platform, users can convert their innovations into real applications.

Why should you create web application using CodeIgniter?

The CodeIgniter platform comes with a lot of advantages not only for the users but also for the developers. Let us see the various advantages that this platform has to offer.

  • It is very easy to install, use and build a web application. It is safe and secure with features that enable easy debugging to find errors.
  • It is open to customization and any changes can be done most conveniently without having to disrupt the existing customizations.
  • The config files are also customizable and thus configuration is no more a difficult task at all.
  • It is a MVC based framework, which makes it user friendly, enabling it to be used and managed by different users.
  • With CodeIgniter, it becomes very easy to migrate from one server to another and also install it on the next server as it has a very simple installation process.
  • Rich libraries are available that caters to a wide range of applications. The easy to understand interface helps the users to conveniently gain access to these libraries.
  • While creating web application using CodeIgniter, you also have the option of upgrading the framework by simply adding the different plug-ins that is made available.

Apart from these there are other features that make CodeIgniter stand out among the others as a great tool to build a web application. These include:

  • Compatible with both PHP 4 and PHP 5
  • Customizable, particularly the admin panel
  • Modular codebase
  • Intuitive user interface
  • MVC based support
  • Bug-screening utility
  • XSS filtering facility

With so many benefits and special features, CodeIgniter will surely be the most preferred and reliable open source framework that any developer would want to use to build a web application. However, to make a web application using CodeIgniter, you must know the process. Here we bring for you a simple step-by-step process that will help you to create some dynamic applications using this great platform.

Step 1 – Install
Download CodeIgniter and install it on your web space. Most often you will get a user guide along with it that will help you in the installation process.

Step 2 – Create ‘application-name’ controller
You need to create your very first file in the controller folder and name it as application-name.php.

Step 3 – Make application (application-name) the default application
In order to change from CodeIgniter’s default welcome screen, you will have to change it to ‘application-name’ in config/routes.php.

Step 4 – Create ‘application-name’ view
It is not enough to just create; it needs to be viewed too. So, in the views folder, create a file called application-name_view.php.

Step 5 – Create content
Change content of index in application-name.php and create the title for the header and content for the body.

Step 6 – Setup database
A database and a user have to be setup. The database must have an ‘entries’ and ‘comments’ table with different fields. Populate this database with test data.

Step 7 – Add header and footer
Add content and create appropriate header.php and footer.php.

Step 8 – Add security
Turn on the XSS filter option. This will stop all malicious scripts from being posted.

Following these simple steps you can build any web application using CodeIgniter. The simplicity of this framework that enables one to build a web application that is engaging and dynamic, makes CodeIgniter the most effective and popular platforms to work on.

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