作曲家更新与作曲家全局更新之间的区别 [英] Difference between composer update and composer global update

问题描述

yii2中的 composer update 和 composer全局更新有什么区别?

What are the differences between composer update and composer global update in yii2?

推荐答案

与Yii直接无关.

Composer允许您全局或每个项目(默认)安装依赖项.

Composer allows you to install dependencies globally or per-project (the default).

https://getcomposer.org/doc/03-cli.md#global

这仅仅是管理存储在中央位置的项目的助手，该项目可以容纳您希望在任何地方都可用的CLI工具或Composer插件.

This is merely a helper to manage a project stored in a central location that can hold CLI tools or Composer plugins that you want to have available everywhere.

您可能想在全球范围内安装phpunit或phpcs之类的东西(因此它可用于每个项目)，而为项目安装所需的库或框架则应按项目进行安装.

You might want to install something like phpunit or phpcs globally (so it's available for every project) whereas installing a library or framework that you need for your project should be a per-project installation.

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