* Covers why users need PHP, how to get started, how to add PHP to HTML, and how to connect HTML Web pages to MySQL or Oracle databases. * Authors have extensive experience using PHP and provide case studies of how and where to use PHP. * Covers advanced topics, such as HTTP, cookies, Web services, redirection, building graphics, and sessions.
That's an old school book that helped me to start understanding the whole PHP itself. It covers many aspects of the language and it's common usage, but for 2014 it's not a good resource to learn PHP, since the language has evolved a lot in the last years.