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Added some general information on the differences between Composer and PEAR, and that in general, Composer is for single projects and PEAR is system-wide.

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Jarrod Nettles
2012-07-12 10:32:14 -05:00
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_posts/04-01-01-Dependency-Management.md
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# Dependency Management
There are a ton of PHP libraries, frameworks, and components to choose from. Your project will likely use several of them — these are project dependencies. Until recently, PHP did not have a good way to manage these project dependencies. Even if you managed them manually, you still had to worry about autoloaders. No more.
Currently there are two major package management systems for PHP - Composer and PEAR. Which one is right for you? The answer is both.
* Use **Composer** when managing dependencies for a single project.
* Use **PEAR** when managing dependencies for PHP as a whole on your system.
In general, Composer packages will be available only in the projects that you explicitly specify whereas a PEAR package would be available to all of your PHP projects. While PEAR might sound like the easier approach at first glance, there are advantages to using a project-by-project approach to your dependencies.