Product Description: While there are many books on learning PHP and developing small applications with it, there is a lack of information on "scaling" PHP for large-scale, business-critical systems. PHP is now starting to make inroads into large-scale business-critical Web systems...read more

Product Description: Over the past three years PHP has evolved from being a niche language used to add dynamic functionality to small sites to a powerful tool making strong inroads into large-scale, business-critical Web systems.   The rapid maturation of PHP has created a skeptical population of users from more traditional "enterprise" languages who question the readiness and ability of PHP to scale, as well as a large population of PHP developers without formal computer science backgrounds who have learned through the hands-on experimentation while developing small and midsize applications in PHP...read more