## 安装 ~~~ $ php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" $ php -r "if (hash_file('sha384', 'composer-setup.php') === '48e3236262b34d30969dca3c37281b3b4bbe3221bda826ac6a9a62d6444cdb0dcd0615698a5cbe587c3f0fe57a54d8f5') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" $ php composer-setup.php $ mv ./composer.phar /usr/local/bin/composer ~~~ ## 配置国内源 ``` $ composer config -g repo.packagist composer https://packagist.phpcomposer.com ```