PHP Tutorials — Basics

Web scrappers are simple programs that are used to extract certain data from the web. Usually the structure of the the pages is known so scrappers have reduced complexity compared to parsers and crawlers. In this tutorial we are going to create a simple parser that extract the title and favicon from any html page.

Everyone makes errors and if you use PHP you will create bugs. The purpose of this tutorial is to give an introduction to debugging using PHP. You will learn basic ways to determine where problems occur as well as functions like var_dump().

Learn the absolute basics of programming PHP.

How to build a good looking line or bar chart with PHP without using GD library.

Even after using PHP for years, we stumble upon functions and features that we did not know about. Some of these can be very useful, yet underused. Not all of us have read the manual and the function reference from cover to cover! In this tutorial we will discuss some PHP functions that are rarely used but help out alot.

Google have finally made an API available for Google Analytics although it's currently in beta and the specs are subject to change. I've been playing around this morning logging in using ClientLogin Username/Password Authentication with PHP and CURL and show how to do this here.

A detailed description how to use PHP strings and basic string manipulation functions.

10 common regular expression for data validation

In this tutorial you will learn how to build a PHP script that scrapes links from any web page. The lesson covers extracting content from a site using cURL, parsing the content with PHP's Dom functions, finding links using XPath queries, and storing the links in a MySQL database. Legal issues associated with scraping content is discussed at the end of the tutorial.

So I'm going to show you how to create an extremely simple AJAX chat using jQuery and PHP. It is not very usable but can be easily upgraded to a full featured chat. I tried to keep it as simple as possible.