步骤一
To install Composer on Linux or Mac OS X, execute the following two commands:
$ curl -sS https://getcomposer.org/installer | php
$ sudo mv composer.phar /usr/local/bin/composer
步骤二
$ cd /usr/local/bin/compose
$ composer install
注意,你需要有composer.json
http://symfony.com/doc/current/book/installation.html#book-installation-permissions
步骤三
根据页面提示填写Configure your Symfony Application online相关信息即可