【php】composer 安装

1、composer 安装
php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"

  php -r "if (hash_file('SHA384', 'composer-setup.php') === 'e115a8dc7871f15d853148a7fbac7da27d6c0030b848d9b3dc09e2a0388afed865e6a3d6b3c0fad45c48e2b5fc1196ae') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"

  php composer-setup.php

  php -r "unlink('composer-setup.php');"

1.1、将 composer 设置为全局变量
sudo cp composer.phar /usr/bin/composer