The main focus of this tutorial is to create a very basic counter using a txt file and php. This is just a simple counter with nothing fancy. This does not count unique visitors, it counts page views.
The purpose of this tutorial is to show you how to create a very simple guestbook using PHP and a MySQL database. This guestbook is secure by blocking malicious code in the entries.
In this tutorial I am going to show you how to create one of those cool and sometimes annoying little verification images you see on forms you fill out. Where the image displays a string of characters and you have to enter them into a field to prove your human. This is a security measure to keep spam and automated scripts out.
Great tutorials for anyone, about removing dangerous HTML tags from user input. This tutorial will teach you a method of removing the html tags from the input.