This book for beginners to intermediate users of PHP5 covers core object-oriented programming (OOP) features as applied to PHP in simple language with many examples; comprehensively documents the Standard PHP Library (SPL) with working examples; and covers advanced topics such as Reflection, Unit Testing with PHPUnit, using Design Patterns to simplify coding, the improved MySQLi API for MySQL, PHP Data Objects (PDO), using the Active Record and Object-Relational Mapping (ORM) patterns in PHP, processing XML in PHP with SimpleXML and DOMDocument, using and building frameworks to implement the Model-View-Controller (MVC) pattern. Some basic objected-oriented features were added to PHP3; full support for object-oriented programming was added with PHP5. Object-oriented programming eases and speeds development and can greatly improve the performance of a properly planned and designed program. This book helps you to leverage PHP5`s OOP features to write manageable applications with no pain.