PHP, the PHP Hypertext Processor, is an open source server-side scripting language for Web servers, which provides a real alternative to ASP, ColdFusion, Mod_Perl or JSP if your aim is to provide dynamic Web pages. Dynamic Web pages are pages which interact with the user, so that each user visiting the page sees customized information - which may vary each time and which may be based on a form they've just filled in, or on information extracted from a database or some other external source. Typical applications include e-commerce, online newspapers, visitors' books, ticketing systems, project management, and other groupware projects. The traditional way to produce this type of dynamic page is via CGI scripts, but these are separate programs which must be executed as a new process for each page hit, so they scale badly and rapidly become memory and processor hogs as server load increases...

This introductory guide on PHP explains the definition, basic structure and date function of PHP language.

This is a very simple tutorial that outlines the four main mathematical functions and how to use them. Clearly written with the ability to ask questions afterwards.

Explain how to manipulate string in php, introducing the use of control structures, functions and working with web forms

This tutorial will take you through both the IF and the IF-Else statement by comparing numbers, although relativly simple you can expand on them so that you can run checks on various things, such as passwords.

This article will explain how to build dynamic web pages with PHP. PHP is a very popular and easy to learn script language. Regardless if you are starting to build your website, or if you are already a pro, just read on to learn more about dynamic web pages and PHP.

This is an introductory tutorial for those who understand HTML but don't know much about PHP. It covers the basic concepts such as variables, form processing, arrays, if, loops, comparison and logical operators, functions, etc.

The quickest way to learn PHP is to start using it and see what happens. This tutorial starts by diving right into the good old "Hello World" script you may have seen when learning other languages. Then, it presents another example that writes a Tip of the Day on your Web page using file and random functions.

Learn how to save yourself a lot of time and make cleaner code using PHP Classes. This is the gateway to Object Oriented Programming with PHP.

Basic 'Users Online' tutorial for forums or communities.