Beginning PHP 5.3 - Brossura

Doyle, Matt

Brossura

ISBN 10: 0470413964 ISBN 13: 9780470413968

Casa editrice: Wrox Pr Inc, 2009

Riassunto

This book is intended for anyone starting out with PHP programming. If you’ve previously worked in another programming language such as Java, C#, or Perl, you’ll probably pick up the concepts in the earlier chapters quickly; however, the book assumes no prior experience of programming or of building Web applications.

That said, because PHP is primarily a Web technology, it will help if you have at least some knowledge of other Web technologies, particularly HTML and CSS.

Many Web applications make use of a database to store data, and this book contains three chapters on working with MySQL databases. Once again, if you’re already familiar with databases in general — and MySQL in particular — you’ll be able to fly through these chapters. However, even if you’ve never touched a database before in your life, you should still be able to pick up a working knowledge by reading through these chapters.

What This Book Covers

This book gives you a broad understanding of the PHP language and its associated technologies. You explore a wide range of topics, including:

• installing a copy of the PHP engine on Ubuntu Linux, Windows, and Mac OS X; other ways you can install or use PHP; how to write a simple PHP script.
• basic PHP language concepts. variables, data types, operators, expressions, and constants.
• how to change the flow of your scripts by creating decisions and loops. if, else, and switch statements; the ternary operator; and the do, while, for, break, and continue statements. how to nest loops, and how to mix decisions and looping with blocks of HTML.
• PHP’s handling of strings, or sequences of characters; how to create strings; how to retrieve characters from a string; and how to manipulate strings with functions such as strlen(), substr(), strstr(), strpos(), str_replace(), and printf(), to name but a few.
• arrays — variables that can hold multiple values. You learn the difference between indexed and associative arrays, and find out how to create arrays and access their individual elements; array manipulation, including functions such as print_r(), array_slice(), count(), sort(), array_merge(), and list(). You also learn how to create foreach loops, as well as how to work with multidimensional arrays.
• functions — blocks of code that you can use again and again. You look at how to call built-in functions, and how to work with variable functions. You also study how to create your own functions, including defining parameters, returning values, understanding scope, and using anonymous functions. Other function-related topics such as references and recursion are also explored.
• object-oriented programming. You look at the advantages of an object-oriented approach, and learn how to build classes, properties, and methods, and how to create and use objects. You also explore more advanced topics such as overloading, inheritance, interfaces, constructors and destructors, autoloading, and namespaces.
• how to use PHP to create interactive Web forms. You learn how to create HTML forms, how to capture

Su questo libro

L'autore

Matt Doyle has worn many hats in his professional career, including working in the fields of system administration, computer training, software development, graphic design, and website creation.

Dalla quarta di copertina

A solid introduction to writing powerful web applications using PHP 5.3

As one of the most popular open-source web-programming languages in use today, PHP is an ideal server-side scripting language that connects HTML-based web pages to a backend database for dynamic content. It allows you to create anything from a simple form-to-email script to a web forum application, a blogging platform, or a content management system. This guide introduces the PHP language and shows how to write powerful web applications using PHP.

• Looks at the ways that PHP programs interact with web servers and other technologies such as HTML

• Teaches you how to build robust web applications and change the flow of your scripts with decisions and loops

• Examines ways to create and use strings, arrays, objects, functions, and files in your scripts

• Shares tips for creating interactive web forms in PHP, as well as capturing user input

• Unveils methods for preserving an application's state between page views

• Offers advice on how to work with MySQL databases using PHP

• Includes best practices for using PEAR to speed up your application development

• Presents techniques for manipulating XML from within your PHP scripts

• Walks you through the creation and manipulation of web graphics using PHP

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Dettagli dell?edizione

• Editore: Wrox Pr Inc
• Data di pubblicazione: 2009
• ISBN 10: 0470413964
• ISBN 13: 9780470413968
• Rilegatura: Copertina flessibile
• Lingua: Inglese
• Numero di pagine: 801