books.google.com - Now installed on more than 20 million Internet domains around the world, PHP is an undisputed leader in web programming languages. Database connectivity, powerful extensions, and rich object-orientation are all reasons for its popularity, but nearly everyone would agree that, above all, PHP is one of...http://books.google.com/books/about/PHP_in_a_Nutshell.html?id=dm2_jgULbBUC&utm_source=gb-gplus-sharePHP in a Nutshell
