作曲家更新和作曲家安装有什么区别？ [英] What are the differences between composer update and composer install?

问题描述

composer update 和 composer install 之间有什么区别？

运行composer update时，只需读取composer.json，安装依赖项并更新lockfile（或创建一个新的lockfile）。

What are the differences between composer update and composer install?

解决方案

When you run composer install it will look for a lock file and install whatever is contained in it, if it can't find one it'll read composer.json, install its dependencies and generate a lockfile.

When you run composer update it simply reads composer.json, installs the dependencies and updates the lockfile (or creates a new lockfile).

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