Is there a easy way to upgrade your symfony2.1.6 to 2.1.7 via command line or so? I am using composer.json
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):
问题:
回答1:
Download composer.phar and then run in the symfony folder
php composer.phar update
If you get some errors try removing first the vendors and try again. rm - R vendor/*
