The PEAR Installer Manifesto


The PEAR Installer Manifesto
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  • Learn how to effectively organize your application development from the creator of the latest versions of the PEAR Installer, version 1.4.0 onwards
  • Bring the power of versioning and rollbacks to your live website
  • Embed the PEAR Installer in your web applications to manage plug-ins from a remote server

Book Details

Language : English
Paperback : 296 pages [ 235mm x 191mm ]
Release Date : October 2006
ISBN : 1904811191
ISBN 13 : 9781904811190
Author(s) : Gregory Beaver
Topics and Technologies : All Books, Application Development, Free eBooks, Open Source, PHP
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Gregory Beaver

Gregory Beaver has been one of the most active contributors to open-source PHP development since 2001. As the primary developer of important infrastructure software such as phpDocumentor, the PEAR installer, PHP_Archive, PHP_LexerGenerator, and PHP_ParserGenerator as well as co-lead of the Phar PHP extension, Gregory has helped to ease the development needs of PHP developers around the world. After he transformed phpDocumentor from a small project into the most advanced auto-documentation tools for PHP, phpDocumentor was voted second best PHP tool in Germany-based PHP Magazin's 2003 Reader's Choice awards list for best PHP application, and voted third best PEAR package (http://tinyurl.com/bn7pb). Currently, he is working to refactor the PEAR installer for PHP 6, as well as helping to lead the PEAR community forward. Gregory blogs about his programming escapades and other news on his blog, Lot 49 (http://greg.chiaraquartet.net). Gregory also leads a mysterious double life as the cellist of the internationally renowned Chiara String Quartet (http://www.chiaraquartet.net) with whom he tours the world. He lives in Lincoln, Nebraska where he is a full-time lecturer/artist-in-residence at the University of Nebraska-Lincoln Hixson-Lied College of Fine Arts.

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What you will learn from this book

  • What the PEAR Installer is, and what it can do for you
  • Organizing your code into packages using the package.xml format
  • Customizing individual installations of your PHP applications through file roles, file tasks, and post-installation scripts
  • Using the PEAR installer to bring the power of versioning and rollbacks to your live website
  • Getting the PEAR Installer and source control repository working together
  • Setting up your own PEAR Channel for distributing your PHP applications
  • Embedding the PEAR Installer inside your own web application to manage plug-ins from a remote server

In Detail

PEAR stands for PHP Extension and Application Repository, and its primary purpose is to support code re-use. PEAR provides both an advanced installer and a code repository at http://pear.php.net. PEAR code is organized into discrete re-usable components called packages. A package consists of a group of files and a descriptor file called package.xml that contains metadata about the package's contents, such as the package version, any special dependencies, and textual information such as the package description and authors.
The software that transforms a package from an inert grouping of files into a dynamic software package is called the PEAR Installer and is itself a PEAR package. In other words, the PEAR Installer can be used to upgrade itself. It truly is a very powerful application.
In short, the PEAR Installer is one of the most effective tools for managing a high-quality software library, high-quality applications, or high-quality websites.

This book will show you a new way of organizing your PHP development, by leveraging the full power of the PEAR Installer. In a sense, the PEAR Installer is a step above a software design pattern, a meta-development pattern that can be used to systematically organize all of your PHP development.
You will learn how to organize your code into packages using the package.xml format. You will learn about the revolutionary new PEAR Channel concept, and how to safely and reliably depend on external PHP libraries from sources such as pear.php.net and other PEAR channels. You will learn about the PEAR_PackageFileManager package, and how to customize individual installations of your PHP code through file roles, file tasks, and post-installation scripts.

In addition, you will learn how to use the power of PEAR to manage your web projects with the PEAR installer to bring the power of versioning and rollbacks to your live website.  The synergy of the PEAR Installer and a revision control system like CVS or Subversion is also explored in depth.
Next, you will learn how to set up your own PEAR Channel for distributing PHP applications, both open-source and proprietary closed-source PHP applications that can be secured using technology already built into the PEAR Installer.

Finally, you will learn how to embed the PEAR Installer inside your own web application in order to manage plug-ins from a remote server. The book covers in detail designing a custom plug-in system for a fictitious blog application. The plug-in system is used to manage templates, and the PEAR Installer is used to manage the details of querying the remote server for templates, handling dependencies between versioning, and doing the actual installation process as well.

PEAR Installer is the preferred PHP software for installing PHP components. It can be used to easily ensure that the most powerful and up to date php software is installed and working on your server. This book reveals the full power of the PEAR Installer, presenting a new way of organizing your PHP application development and deployment.

Approach

This book is a comprehensive and well structured tutorial on using PEAR Installer, but it is also much more than that. As the creator of the latest versions of the PEAR Installer (1.4.0+) , the author is passionate about the benefits of a well managed development and deployment process.

The book shows how the PEAR Installer works in detail, and then takes you through a comprehensive tour of how you can apply it all stages of the development lifecycle, with practical examples and advice throughout. It will build your technical skills and understanding, and also widen your perspective on managing an effective development process. 

Who this book is for

The book is not just for PHP developers who want to understand how the PEAR Installer works, and what it can do for them, but more generally for PHP developers seeking a better way to deploy their applications and manage updates. It does assume that you have a good working knowledge of PHP development, and are dealing with projects of a sufficient scale and complexity to warrant an investment in a structure process.

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