Computerworld PHP QuickStudy
- Article by Sharon Machlis in ComputerWorld. Explainer on the PHP scripting language and what IT managers should know about it. Includes an interview with PHP creator Rasmus Lerdorf and links to other Web resources.
- http://www.computerworld.com/softwaretopics/software/appdev/story/0,10801,67953,00.html

PHP Security Guide
- Guidance from the PHP Security Consortium on how to develop more secure applications.
- http://phpsec.org/projects/guide/

PHP Knowledge Base
- A repository of PHP related frequently asked questions. A growing collection in a searchable question and answer format.
- http://www.faqts.com/knowledge_base/index.phtml/fid/51/

PHP Faq from alt.php
- The home of the newsgroup alt.php, contains frequently asked questions and answers from that newsgroup.
- http://www.alt-php-faq.org/

Oracle/PHP FAQ
- Describes how PHP interacts with the Oracle Database.
- http://www.orafaq.com/faq/php

Official PHP FAQ
- A list of Frequently Asked Questions about PHP and their answers.
- http://php.net/manual/faq.php

Manual Quick Reference
- Quick reference that lists all PHP functions.
- http://www.php.net/quickref.php

How efficient is OOP in PHP?
- Compares and contrasts linear programming vs OOP programming in PHP and analyzes performance results.
- http://www.webmasterstop.com/56.html

Debugging PHP Problems
- By Adam Goossens. Helps corner the most common PHP problems and what causes them.
- http://www.webmasterstop.com/19.html

International PHP Magazine articles
- Offers many featured articles and tutorials online from the magazine.
- http://phpmag.net/

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 ".
- http://geekministry.com/blog_article.php?id=93

SQL Injection [Chris Shiflett: Security Corner]
- Most Web applications interact with a database, and the data stored therein frequently originates from users. Thus, when creating an SQL statement, a developer may use client data in its construction. This article explains SQL injection by looking at a fe
- http://shiflett.org/articles/sql-injection

Static Free Energy (Zend)
- This tutorial will show you how to produce static html pages using PHP. This is important if you want the benefits of using PHP to build sections of a site where the content of the pages doesn't change very often.
- http://devzone.zend.com/node/view/id/1306

Error Handling: Stepping beyond True/False Results (Zend Technologies)
- This article will give you the capabilities to handle errors in an elegant manner without diverging too much from your lazy ways. We will look at how to handle PHP script errors, as well as passing around your own errors with the PEAR module: PEAR_Error.
- http://devzone.zend.com/node/view/id/1303

Encryption and Decryption using PHP and GnuPG (Zend)
- The purpose of this article is to show how to encrypt and decrypt information with GnuPG using PHP.
- http://devzone.zend.com/node/view/id/1265

PHP Common Mistakes and their Solutions
- About the various security concerns and mistakes people make when developing, and their solutions.
- http://www.theserverpages.com/articles/webmasters/php/security/Common_Mistakes_and_their_Solutions.html

Implement MySQL-based transactions with a new set of PHP extensions
- This brief tutorial will show you how to use a PHP 5.x MySQL extension, called MySQL Improved, to implement MySQL-based transactions with PHP.
- http://articles.techrepublic.com.com/5100-3513_11-6085922.html?part=rss&tag=feed&subj=tr

Database Enabled Websites
- A tutorial on using PHP3 and MySQL to develop database enabled applications for websites.
- http://www.awtrey.com/tutorials/dbeweb/

Create an audio stitching tool in PHP (TechRepublic)
- One way to provide visually impaired users with the ability to use OCR-defeating passcodes is to stitch WAV files together. Phillip Perkins shows you how to deconstruct a group of WAV files and reconstruct one large WAV file by compiling the group.
- http://articles.techrepublic.com.com/5100-3513_11-5810215.html

Control transformations using XSLT parameters (TechRepublic)
- Phillip Perkins outlines the advantages of using XSLT, which includes the fact that you aren't restricting your data to one particular layout.
- http://articles.techrepublic.com.com/5100-3513_11-5783430.html

Code Injection Vulnerabilities Explained
- Code Injection is a term used when code is injected straight into a program/script from an outside source for execution at some point in time.
- http://www.theserverpages.com/articles/webmasters/php/security/Code_Injection_Vulnerabilities_Explained.html

Add mapping functionality to Web sites 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.
- http://articles.techrepublic.com.com/5100-3513_11-5833847.html

Add a text-size switcher to your Web site with PHP and CSS - TechRepublic
- This tutorial will show you how to add such a text size switcher to your Web pages using PHP and CSS, thereby immediately making your Web site more accessible and scoring you useful brownie points from everyone over the age of 50.
- http://downloads.techrepublic.com.com/5138-3513-6002416.html

Compare file contents and render the output with Text_Diff
- The Text_Diff PEAR class makes it possible to compare file contents in the PHP environment and render the output in various formats. This tutorial demonstrates this class in action, illustrating how you can use it to dynamically compare file contents with
- http://articles.techrepublic.com.com/5100-3513-6174867.html

PHPCatalyst
- Dedicated to provide tutorials and step-by-step help for beginners. Instructions on basics of PHP programming, examples and coding PHP with MySQL.
- http://www.phpcatalyst.com/

Building Apache and PHP
- Step by step tutorials describing how to build Apache & PHP on various Unix flavours, including how to build every component and library they depend on.
- http://www.tekwire.net/joomla/building/apache/comp_apache_hpux.htm

Web Programming Tutorial for the Absolute Beginner
- An easy to follow tutorial which focuses on the most elementary PHP concepts. Suitable for people who have heard of PHP, but who have never actually seen or written PHP or any other programming language.
- http://webbeginner.codepoint.net

PHP and MySQL Tutorial (PHPsimple)
- PHP and MySQL tutorial. Learn how to create sites using PHP and MySQL in a series of simple tutorials.
- http://www.phpsimple.net

PHP RRDTool tutorial
- A tutorial on using RRDTool's PHP extensions to gather data, report statistics, and generate graphs.
- http://www.ioncannon.net/system-administration/59/php-rrdtool-tutorial/

HostLibrary: Configuring PHP5 to run on IIS6
- Explains how to install and configure PHP5 on IIS 6 under Windows Server 2003.
- http://www.hostlibrary.com/ConfiguringPHP5torunonIIS6WindowsServer2003.html

How To Compile PHP and Apache 2 from Source On Linux
- Provides detailed, step-by-step information on compiling PHP as an Apache 2.0 shared module on a Linux system.
- http://www.web-tech-india.com/articles/php/compiling_php_apache/

Devshed - Searching with PHP and ht://Dig
- Adds search capabilities to site using the popular open source tools PHP3 and ht://Dig.
- http://www.devshed.com/c/a/PHP/Search-This

PHP Virtual Guide
- Video tutorials covering PHP from the basics to advanced techniques.
- http://www.toptentshirts.com/php-guide/php-guide.php

Building Modular XHTML Web Pages using PHP
- A series of labs describing the process of building modular, structured and valid XHTML Web pages using the PHP server-side scripting language.
- http://loadaveragezero.com/vnav/labs/PHP/

PEAR MDB Database Abstraction Layer (International PHP Magazine)
- This article gives a good introduction to the database abstraction package PEAR MDB. The focus is on explaining the more advanced features of MDB like data type abstraction and the XML based schema management that go beyond what other similar packages off
- http://www.php-mag.net/itr/online_artikel/psecom,id,283,nodeid,114.html

PHP Tutorial (by Martin Geisler)
- This tutorial is aimed at users who have no previous experience with programming in PHP or any other programming language.
- http://www.mgeisler.net/php-tutorial/

Jason Bradley Online
- PHP and GIMP tutorials.
- http://www.jasonbradleyonline.com

SimplePHP
- Windows Installation Guide for Apache + PHP + MySQL + PHPMyAdmin.
- http://simplephp.scriptsdb.org/

Use BB Code in Your PHP Application (SitePoint)
- BB code is a simple set of instructions that provide rules as to how a piece of text should be formatted. In this hands-on tutorial, Stoyan explains the basics that every developer should know about the use of BB code in PHP applications.
- http://www.sitepoint.com/article/bb-code-php-application

Three-Tier Development with PHP 5 (ONLamp.com)
- Luis Yordano Cruz demonstrates three-tier PHP application design with PEAR::DB_DataObject, Smarty, and PHP 5. The article assumes that you have some familiarity with HTML, Smarty, PEAR::DB_DataObject, MySQL, and PHP 5.
- http://www.onlamp.com/pub/a/php/2004/12/09/three_tier.html

Programming PHP
- A wikibook about programming in PHP. Also provides external links for more information.
- http://en.wikibooks.org/wiki/Programming:PHP

GIS Mapping in PHP
- A series of tutorials on using PHP to access GIS mapping information. The tutorials start with the basics, build on them, and provide many examples for more complex functions.
- http://www.web-max.ca/PHP/

Magic Quotes and Add Slashes in PHP
- By Harry Fuecks. Discusses the problems caused by magic quotes and offers a solution that works when it is on or off.
- http://www.webmasterstop.com/63.html

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.
- http://www.onlamp.com/pub/a/php/2004/01/15/simplexml.html

PHP Feedback Form with Source Code
- Tutorial for feedback, bug report, contact PHP forms includes all copy and paste code.
- http://www.maketemplate.com/feedback/

PHP For Designers
- PHP introduction for web designers by Matt Mullenweg.
- http://www.digital-web.com/articles/php_for_designers/

Introduction to PHP Image Functions
- An excellent overview of PHP image functions, including source code and interactive online examples.
- http://nyphp.org/content/presentations/GDintro/

Serving XHTML with the correct mime type using PHP
- Describes how to send XHTML with the correct mime type safely using PHP. Includes the ability to "fall back" to HTML if the viewing web-browser does not support XHTML.
- http://www.workingwith.me.uk/articles/scripting/mimetypes/

Implement Bayesian Inference Using PHP
- Conditional probability -- the probability of observing one event as a result of having observed another event -- is a potentially important factor in designing intelligent Web applications. Paul Meagher introduces Bayesian inference by discussing the bas
- http://www.opensourcetutorials.com/tutorials/Server-Side-Coding/PHP/implement-bayesian-inference-using-php-1/page1.html

Simple Linear Regression With PHP
- In contrast with other open source languages like Perl and Python, PHP lacks a robust community effort to develop a math library. This article provides an example of a PHP math library called SimpleLinearRegression that demonstrates a general approach tha
- http://www.opensourcetutorials.com/tutorials/Server-Side-Coding/PHP/simple-linear-regression-php-1/page1.html

PHP Tutorial (Tizag)
- A PHP tutorial that covers all the basics of PHP. It is geared towards web developers with little or no PHP experience.
- http://www.tizag.com/phpT/

Blobbing Data With PHP and MySQL (Devarticles)
- Showing how to store and retrieve binary data in a MySQL database by using PHP.
- http://www.devarticles.com/c/a/MySQL/Blobbing-Data-With-PHP-and-MySQL

Build your own Web Service with PHP and XML-RPC
- Harry takes us one step further into the world of Web Services. Here he explains how to build your own Web Service - a news feed - using PHP and XML-RPC.
- http://www.sitepoint.com/article/827/4

Installing Apache, MySQL, and PHP on Linux
- This tutorial is designed to guide through the initial steps of setting up Apache, MySQL, and PHP on Linux.
- http://www.hostlibrary.com/installing_apache_mysql_php_on_linux

File And Directory Manipulation, Part 2 (Dev Shed)
- This second segment of the tutorial on the PHP filesystem API takes you into deeper waters, showing you how to copy, delete and rename files; scan directories; work with uploaded files over HTTP; perform pattern matches on file names; and read and write t
- http://www.devshed.com/c/a/PHP/File-And-Directory-Manipulation-In-PHP-part-2/

File And Directory Manipulation, Part 1 (Dev Shed)
- PHP comes with a full-featured file and directory manipulation API that allows you (among other things) to view and modify file attributes, read and list directory contents, alter file permissions, retrieve file contents into a variety of native data stru
- http://www.devshed.com/c/a/PHP/File-And-Directory-Manipulation-In-PHP-part-1/

Database Abstraction With PHP (Dev Shed)
- Take a look at the PEAR database abstraction layer, one of the coolest PHP widgets out there.
- http://www.devshed.com/c/a/PHP/Database-Abstraction-With-PHP/

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
- http://www.devshed.com/c/a/PHP/Configuration-Manipulation-With-PHP-Config/

Pitfalls of Transactions with PHP (ONLamp)
- Database transactions are important for data reliability and consistency. Used properly, they can prevent many types of errors. Used improperly, they can cause many other kinds of errors. Kimberlee Jensen demonstrates using transactions with PHP well.
- http://www.onlamp.com/pub/a/php/2003/12/18/transaction_pitfalls.html

Open Source Licensing For PHP Scripts
- Open Source licensing for PHP scripts. Open Source means that your software is entirely free for use, to anyone, and any user may modify the software to fit his own needs. To launch an open source application, you have to apply the GNU GPL License.
- http://www.phpfreaks.com/tutorials/19/0.php

Template Example with PHP Includes
- Show how to use 'php includes' inside a template.
- http://www.ibdhost.com/help/templates/

PHP and Regular Expressions 101 (WebReference)
- This tutorial steps through the POSIX-compliant regular expression functions in PHP in a straightforward manner.
- http://www.webreference.com/programming/php/regexps/

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.
- http://www.phpbuilder.com/columns/nair20011003.php3

Classes and PHP (PHPBuilder)
- A description in plain English of what classes are, and how they can make your project easier to complete and extend.
- http://www.phpbuilder.com/columns/rod19990601.php3

PHP MySQL Interactive Website Design
- The lessons provided in this PHP/MySQL tutorial are short and simple. You'll learn to create and manipulate a simple database of names and birthdates.
- http://www.createafreewebsite.net/phpmysql/phpmysql_introduction.html

Search Engine-Friendly URLs (Website Publisher)
- Article describes three ways to make your URLs search engine friendly using PHP.
- http://www.websitepublisher.net/article/search_engine_friendly_urls/

Saving Resources with phpCache (Website Publisher)
- Tutorial explains how to implement the phpCache script and use it to keep your database server load low.
- http://www.websitepublisher.net/article/phpcache/

Using Cookies in PHP (Website Publisher)
- Learn how to set and read cookies using the PHP scripting language.
- http://www.websitepublisher.net/article/php_cookies/

Ten Security Checks for PHP (ONLamp)
- Though it's easy to create sites in PHP, it's not immune to sloppy coding. Clancy Malcolm explains how to recognize and fix potential security holes.
- http://www.onlamp.com/pub/a/php/2003/03/20/php_security.html