PHP Performance Optimization

Often PHP is used to generate pages that do not change all that often. It isn t that PHP is used to make every page different for every user but that the page is simply built dynamically. In these situations, it is often the case that, the page really doesn t change all that often, perhaps only once a day, if that. In these cases, therefore, it is a waste of CPU time to regenerate the web page for every user. One solution is to not have your PHP...

Debugging is an important part of coding. One way to make the debugging process easier is to write quality code to begin with. This article, the first of two parts, will point out some of the most common coding errors, and help you identify problems in your code. It is excerpted from chapter 12 of

One of the best things about programming in PHP is how easy it is to learn the language and its libraries. Everything seems to fit together and you can almost guess how to do a specific task, even not knowing much about the function that you need to use. A lot of times you will just try doing something and be surprised that the language has that specific feature. // ); //]] All of this is very nice, but it takes a little while to get to know PHP...

In this second part of a two part series, you ll learn how to use debuggers and optimize performance. It is excerpted from chapter 12 of the book

One of the greatest advantages when using PHP is obviously speed. PHP4 is in general fast enough for dynamic web content generation, and in most cases you can t even think of anything faster than it. But when you have to face lots of accesses, heavy applications, narrow bandwidth, or other factors that can create performance bottlenecks, you may ask yourself if you can do anything to make things work better. In this article I ll explain what you...