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This article is to share with you what the role of composer is. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

A brief introduction to the function and basic principle of composer

Composer is an overall management tool for a third-party code base, such as yum on centos to facilitate the installation of various versions of software. Composer is used to facilitate us to download and update a specified version of the third-party code base (such as smarty).

The basic working principles are explained in more detail here in the diagram below, http://www.phpcomposer.com/

(packagist also stores some versions of code on github as a cache to save the hassle of requesting downloads of github files.)

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