Prevent SQL Injection in Codeigniter

This tutorial will show you how to prevent SQL injection using Codeigniter. It is very important to escape the variable you pass by when using to the database query because in web application security SQL injections play an important role. We usually use mysql_real_escape_string() function to prevent SQL injections, but we do not need to […]

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Captcha using Codeigniter

This tutorial will show you how to generate captcha image using Codeigniter Captcha Helper. The CAPTCHA Helper file contains functions that assist in creating CAPTCHA images. The CAPTCHA helper The captcha function requires the GD image library. Only the img_path and img_url are required. If a word is not supplied, the function will generate a […]

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