First, this book is a source of instant solutions, including countless pieces of useful code that you can just copy and paste into your own applications, giving you answers fast and saving you hours of coding time.

Second, this book is a useful reference to the most important aspects of the PHP 5 language, including the vital functions you know and love from previous versions of PHP, as well as the functions introduced in PHP 5.

Finally, this book explains the new PHP 5 functionality in detail, including the vastly improved object-oriented capabilities and the new MySQLi database extension.