Protect yourself, your server and your scripts. Also covers session fixation and SQL injection.

Learn How To Work with MySQL Database with 21 Short Tutorials for Beginners

This is a PHP include file which does user authentication using the built-in HTTP basic realm authentication mechanism. This means you will get a browser pop-up asking the username and password

A very basic easy to follow tutorial on creating a login system using sessions with a MySQL database.

In this tutorial you are going to learn how to create a simple Facebook application

So, you’re a hotshot PHP developer. You’ve written a lot of code powering some pretty cool websites; maybe you’ve even written some public / open source scripts that other developers are using. You’ve been through it all with the web, from basic database hacks to battling with inconsistent browser rendering, and now you want to have a go at something different.

Many people have heard of SQLite but not many people have used it in their PHP applications. Most PHP applications make use of the MySQL database engine to store information however this is not always needed for small amounts of data. In these cases, web applications often store their data in a "flat file" format, often just a plain text file or an XML file. Both of these methods have their downsides.

Debugging essentially means to track down an error in your code. Found a "bug" in your code? Then you need to "de-bug" it! This article will introduce you to some basic concepts such as error checking and built-in functions like var_dump() that will aid you in tracking down errors in your PHP applications. There are also many fully-fledged debugging tools for PHP that lets you set breakpoints, watch variables, and such like, but we won't be using them in this article.

This article will inform you on how many people go about creating multilingual websites, as from the title, the article will outline the lingual framework which then allows you to then introduce other languages with ease

Learn how to Validate User Input

PHP is a terrific language for the rapid development of dynamic Websites. It also has many features that are friendly to beginning programmers, such as the fact that it doesn't require variable declarations. However, many of these features can lead a programmer inadvertently to allow security holes to creep into a Web application.

In this tutorial we'll speak about the dangers mail() brings with it.

Unfortunately you find it everywhere, Get – Include security flaws. In this tutorial you will learn what this is, how to find it. And of course how to fix it!

Learn more about PHP Security With SALTing Passwords

This tutorial is about Preventing XSS or Cross Site Scripting

This tutorial shows you how to add the next level of security by adding salts to your password hashes and making them virtually uncrackable.

Learn how to store and retrieve information using PHP's built in file handling functions along with serialize and unserialize

Learn more about Question Mark Variables by using this tutorial

Learn the different variables types in PHP (string, float, etc), how they are declared, how they can be used in your program and what they can be used for. A quick tutorial for those as well who are making a shift from another language to PHP.

This is a MASSIVE guide for beginners! and it is about basics of PHP