... Advanced PHP Programming At this point, you’re going to put your new jQuery knowledge aside for a bit and focus on the backend using PHP. Part 2 teaches you how to plan and implement an object-oriented ... of jQuery. This book assumes you have a reasonably sound grasp on the basic concepts of PHP (variables, functions, the basic language constructs); to brush up on your PHP basics, check out PHP ... CHAPTER 2 ■ COMMON JQUERY ACTIONS AND METHODS 81 This results in the paragraph’s contents being replaced with new content from ajax .php (see Figure 2-2 3). Figure 2-2 3. The result of an...