A custom 404 error page lets you display a well-designed page when a page-not-found error occurs. It makes a web application user-friendly and helps the user to navigate back to your website. There are many reasons for having a 404 page in CodeIgniter. Mai...

CAPTCHA is randomly generated string incorporated in an image file which is display to the user and the random string is stored in SESSION variable. Once the user submits the captcha word by viewing captcha image, the submitted value will be compared with ...

CodeIgniter's File Uploading Class allows files to be uploaded to the server. You can upload file or image easily using Upload library in CodeIgniter. Not only single file, but also the multiple files can be uploaded with CodeIgniter Upload library. You ca...

Facebook Login Integration is the most used feature of today's web application. Login with Facebook feature helps the user to log into the web application without prior account registration. Which means that your web application receives more users/custome...

Sending email in CodeIgniter is much easier and you can set preferences as per your needs. CodeIgniter provides an Email library to sending email in application. Using our sample code you can send a text email, HTML email, and email with an attachment. Als...

Custom URL helper function helps you to define a custom URL and get this URL in the whole project. This article shows the simple way to define a custom URL and getting the respective URL from custom URL function. Here we'll define the public URL (where all...

CodeIgniter's File Uploading Class helps to upload files to the server. You can use various preferences for configuring your file upload and restrict the type and size of the files. This tutorial will show how to upload file in CodeIgniter using File Uploa...

Google OAuth API is the simple and powerful way to integrate login system in the website. Google OAuth Login API let you allow the user to sign in the web application using their Google account without registration. Google API allows to authenticate with G...

PayPal is the best choice to integrate the payment gateway in the web application. PayPal provides an easy way to integrate standard payment gateway in PHP and accept payment globally on the website. If your web application built with CodeIgniter, PayPal P...