Shulou(Shulou.com)06/02 Report--

Editor to share with you the method of composer to achieve automatic loading principle, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to understand it!

Brief introduction

The composer tool is generally used in the framework to manage dependencies. Among them, composer has a class automatic loading mechanism, which can load all the class files in the library downloaded by composer. So how is the automatic loading mechanism of composer implemented?

Principle of composer automatic loading

Take the Laravel framework as an example:

First, autoload.php is introduced into the entry file (/ public/index.php)

Require _ _ DIR__.'/../vendor/autoload.php'

Let's take a look at the contents of autoload.php

Require_once _ _ DIR__. '/ composer/autoload_real.php';return ComposerAutoloaderInit1215780529014c2b50a6fca7ce889273::getLoader ()

Let's take a look at the contents of autoload_real.php.

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