Hello there! Today we'll be learning PHP security. Now, this article is aimed to prevent SQL injection on your website/webapp. Before reading this article, you should have a basic knowledge of PHP, SQL, HTML, a little CSS (for we'll be designing our sample web app a little bit) and XAMPP. If you have no idea what those are, please learn the basics of those first before delving into this tutorial. Alright, without any further ado, let's begin! What is SQL injection? SQL injection is a kind of attack wherein the attacker "injects" SQL commands into the input field and if the website is vulnerable, the attacker can alter, edit, delete and dump data from the Database. How SQL injection works? A normal user would just go and input a normal value. For example, you have a website that lets users view types of fashion depending on the country. The normal user might enter a country let's say "Philippines", after the user enters that, the database w...
