安装&卸载 composer

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安装 composer:

curl -sS https://getcomposer.org/installer | php
mv composer.phar /usr/local/bin/composer

配置国内镜像:

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

升级 composer:

composer self-update

卸载 composer:

1.删除 composer 相关文件,以下命令,涉及到的路径下的文件(根据自己需要考虑应不应该删除)
	composer config -l -g | grep "home|dir" -E

2.直接删除 composer 命令文件
	rm $(which composer)

参考文章: blog.csdn.net/yangbbenyan…