5 Power Programming
This book, written by my colleague, Andi Gutmans, and two very prominent PHP developers, Stig Bakken and Derick Rethans, holds the key to unlocking the riches of PHP 5. It thoroughly covers all of the features of this new version, and is a must have for all PHP developers interested in exploring PHP 5's advanced features.In this book, PHP 5's co-creator and two leading PHP developers show you how to make the most of PHP 5's industrial-strength enhancements in any project?no matter how large or complex. Their unique insights and realistic examples illuminate PHP 5's new object model, powerful design patterns, improved XML Web services support, and much more. Whether you're creating web applications, extensions, packages, or shell scripts?or migrating PHP 4 code?here are high-powered solutions you won't find anywhere else.
Welcome, reader, to the world of PHP. You're about to learn to use the most powerful web development language that can be found, and, what's more, you will do so with the minimum of fuss. I myself started programming in PHP back in 1997 when Perl was at its apogee, and after only two weeks, I had converted most if not all of my Perl scripts into PHP. The reasons I were drawn so strongly towards PHP are many, but mainly it was ease of use - even after having used Perl for so long. Through this book, I hope for you to be able to switch to PHP in the same kind of time frame, if not less. Back when I made the switch, I was not lucky enough to have a book like this to learn from.
PHP has gained a following among non-technical web designers who need to add interactive aspects to their sites. Offering a gentle learning curve, PHP is an accessible yet powerful language for creating dynamic web pages. As its popularity has grown, PHP's basic feature set has become increasingly more sophisticated. Now PHP 5 boasts advanced features--such as new object-oriented capabilities and support for XML and Web Services--that will please even the most experienced web professionals while still remaining user-friendly enough for those with a lower tolerance for technical jargon. If you've wanted to try your hand at PHP but haven't known where to start, then Learning PHP 5 is the book you need. If you've wanted to try your hand at PHP but haven't known where to start, then Learning PHP 5 is the book you need.
PHP is a simple yet powerful open source scripting language that has become a big player in web development. Over a million web sites, from large corporate sites to small personal sites, are using PHP to serve dynamic web content. PHP's broad feature set, approachable syntax, and support for different operating systems and web servers make it an ideal language for rapid web development. The PHP Cookbook is a collection of problems, solutions, and practical examples for PHP programmers. The book contains a unique and extensive collection of best practices for everyday PHP programming dilemmas. For every problem addressed in the book, there's a worked-out solution or recipe- short, focused pieces of code that you can insert directly into your applications. But this book offers more than cut-and-paste code. You also get explanations of how and why the code works, so you can learn to adapt the problem-solving techniques to similar situations.
PHP is a simple yet powerful open-source scripting language for creating dynamic web content. The millions of web sites powered by PHP are testament to its popularity and ease of use. PHP is used by both programmers, who appreciate its flexibility and speed, and web designers, who value its accessibility and convenience. Programming PHP is an authoritative guide to PHP 4 and is filled with the unique knowledge of the creator of PHP, Rasmus Lerdorf. This book explains PHP language syntax and programming techniques in a clear and concise manner, with numerous examples that illustrate both correct usage and common idioms. The book also includes style tips and practical programming advice that will help you become not just a PHP programmer, but a good PHP programmer.
Programmer's Introduction to PHP
Session Management with cookies
A fundamental characteristic of the Web is the stateless interaction between browsers and web servers. As discussed in Chapter 1, HTTP is a stateless protocol. Each HTTP request a browser sends to a web server is independent of any other request. The stateless nature of HTTP allows users to browse the Web by following hypertext links and visiting pages in any order. HTTP also allows applications to distribute or even replicate content across multiple servers to balance the load generated by a high number of requests. These features are possible because of the stateless nature of HTTP. This stateless nature suits applications that allow users to browse or search collections of documents. However, applications that require complex user interaction can't be implemented as a series of unrelated, stateless web pages.
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