$ php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"$ php composer-setup.phpAll settings correct for using ComposerDownloading...Composer (version 2.2.18) successfully installed to: /home/kintaiapp/composer.pharUse it: php composer.phar$ php -r "unlink('composer-setup.php');"$ mkdir -p $HOME/bin$ mv composer.phar $HOME/bin/composer$ vi ~/.bashrc$ source ~/.bashrc