Linux 平台 安装 Composer

1、检查是否安装

composer --version

2、下载安装

php -r "copy('https://install.phpcomposer.com/installer', 'composer-setup.php');"

php composer-setup.php

All settings correct forusingComposerDownloading...Composer(version 1.6.5) successfully installed to:/root/composer.phar
Use it: php composer.phar

3、移动 composer.phar，这样 composer 就可以进行全局调用：

mv composer.phar /usr/local/bin/composer

4、切换为国内镜像

composer config -g repo.packagist composer https://packagist.phpcomposer.com

5、更新 composer：

composer selfupdate

composer selfupdate