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A step-by-step guide to publishing your own PEAR channels

Build a private channel to distribute PHP packages

Nathan A. Good, Author and Software Engineer, Freelance Developer
Nathan A. Good lives in the Twin Cities area in Minnesota. Professionally, he does software development, software architecture, and systems administration. When he's not writing software, he enjoys building PCs and servers, reading about and working with new technologies, and trying to get his friends to make the move to open source software. He's written and co-written many books and articles, including Professional Red Hat Enterprise Linux 3, Regular Expression Recipes: A Problem-Solution Approach, Regular Expression Recipes for Windows Developers: A Problem-Solution Approach, PHP 5 Recipes: A Problem-Solution Approach, and his latest: Foundations of PEAR: Rapid PHP Development.

Summary:  The PHP Extension and Application Repository (PEAR) is a collection of PHP packages built to ease the development required to build an application. V1.4 of the PEAR package manager introduced the concept of channels, which are a way to organize and deliver packages that can be installed with the package manager. This tutorial discusses channels, introduces and explains the channel.xml file, and demonstrates how to build a channel for distributing packages. Channels are ordinarily used to expose PEAR packages through the Internet, but enterprises can uses channels to make distribution of enterprise-specific PHP code easy.

Date:  30 Jan 2007
Level:  Intermediate

Activity:  3824 views
Comments:  

Summary

The support of channels by the PEAR package manager is an innovative, intuitive approach to organizing and distributing packages. Although the PEAR channel contains more than 400 packages, your enterprise's specific needs, such as domain objects, may necessitate having private channels hosted on an internal server.

This tutorial demonstrates at a high level how to implement basic functionality for a channel server. With a database connection or intelligent parsing of XML files or the file system, you can use these basic examples to implement a full-blown channel server in your enterprise.

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