//下载安装程序到当前目录
php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
//验证安装程序的SHA-384
php -r "if (hash_file('sha384', 'composer-setup.php') === '55ce33d7678c5a611085589f1f3ddf8b3c52d662cd01d4ba75c0ee0459970c2200a51f492d557530c71c15d8dba01eae') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
//运行安装程序
php composer-setup.php
//删除安装程序
php -r "unlink('composer-setup.php');"//环境配置的简易方式
sudo mv composer.phar /usr/local/bin/composer
//查看版本
composer --version
//composer升级自身版本
composer self-update//全局配置(所有项目都会使用该镜像地址)
composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/
//取消全局配置
composer config -g --unset repos.packagist原创文章，作者：huoxiaoqiang，如若转载，请注明出处：https://www.huoxiaoqiang.com/php/phpenv/3413.html
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