Understanding MVC in PHP (17 tags)
The most popular "proper" way to build a web application seems to be to use the Model-View-Controller design pattern. While it sounds complex, the concepts are sound and the ease of development it provides are compelling. Joe Stump shows how MVC can work in PHP by walking through working, example code.
Programming eBay Web Services with PHP 5 and Services_Ebay (5 tags)
PHP 5 added several new features to the language, yet laundry lists and high-level overviews don't really show what they are or why you might use them. Fortunately, Adam Trachtenberg writes for us. Here's how to use the new features of PHP 5 for writing web services clients.
Three-Tier Development with PHP 5 (5 tags)
Well-factored applications separate data storage, manipulation, and display. For PHP programmers, PHP 5 and PEAR make that easier than ever. Luis Yordano Cruz demonstrates how to combine PEAR::DB_DataObject, Smarty, and PHP 5 to improve the design and maintenance of your applications.
Using PHP 5's SimpleXML (4 tags)
Unless you've worked with SGML, you may find it ironic that XML can be hard to parse. Most choices boil down to event-based parsing, bulky tree-walking, or writing more XML. The upcoming PHP 5 has another option, SimpleXML, that can take the pain out of simple and common XML uses. Adam Trachtenberg explains.
Why PHP 5 Rocks! (2 tags)
Adam Trachtenberg provides a quick tour around PHP 5, highlighting seven of his favorite new features. These features (including better support for OOP, bundled SQLite, iterators, and more cool stuff) will allow your PHP 5 code to be more concise, more elegant, and more flexible than ever. Adam is the author of the upcoming Upgrading to PHP 5.