On NETTUTS.com, there's a list of twenty-five resources that can help you get started with PHP if you've never touched the language before:

PHP is a scripting language that is perfect for developing dynamic web pages and applications. You may be a PHP ninja, or perhaps you don't even know what PHP stands for. However, if you plan on or are involved in any kind of web development, you are bound to run into this fantastic and easy to learn web language. Today we will review 25 resources to get you started with PHP.

Its broken up into a series of steps:

• Download PHP and learn the fundamentals.
• Intermediate techniques and MySQL databases.
• Advanced and OOP techniques.
• Using PHP frameworks.