Training

PHP tutorial - Martin Geisler - This tutorial is aimed at users who have no previous experience with programming in PHP or any other programming language.

Wordpress Expert - Nilesh Shiragave - Wordpress portfolio of Nilesh Shiragave. Wordpress developer writing tutorials on PHP and wordpress coding. Website consist of tutorials,tricks,snippets related to PHP,wordpress,CSS,HTML

SQL Injection - Chris Shiflett - Security Corner - Article explaining SQL injection by looking at sample attacks and then introducing methods for prevention.

Add mapping functionality to websites with Image_GIS in PHP - Tech Republic - Image_GIS is a PEAR package for PHP that allows you to add digital maps to Web sites using free downloadable GIS files. Learn how to use the Image_GIS package to add mapping functionality to a Web site.

Comprehensible PHP code - PHPBuilder - A good programmer makes her code look so simple and comprehensible that any other programmer can understand it and appreciate it.

Stopping spambots from submitting forms - Demonstrates a technique for preventing spambots from submitting forms, using questions such as "which day comes after Tuesday?" or "spell the number 7 in lowercase letters."

PHP RRD tool tutorial - A tutorial on using RRDTool's PHP extensions to gather data, report statistics, and generate graphs.

Database enabled websites - A tutorial on using PHP3 and MySQL to develop database enabled applications for websites.

Using PHP 5's simpleXML - This tutorial explains the usage of the Simple XML extension new to PHP 5. It provides examples of reading and querying XML data.

Configuration manipulation with PHP Config - Dev Shed - This article introduces a toolkit designed specifically for manipulating configuration files, thereby reducing the number of lines of code needed to read and modify application variables. This toolkit is written in PHP and implemented as a class, suitable for use in any PHP-based application and accessible via standard OO techniques.