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composer 的安装

安装

执行命令

php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php -r "if (hash_file('sha384', 'composer-setup.php') === 'e0012edf3e80b6978849f5eff0d4b4e4c79ff1609dd1e613307e16318854d24ae64f26d17af3ef0bf7cfb710ca74755a') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
php composer-setup.php
php -r "unlink('composer-setup.php');"

安装

apt install composer

阿里云全量镜像

https://mirrors.aliyun.com/composer/composer.phar

全局配置(推荐)

composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/

composer1 升级到 composer2 命令

composer self-update --2