ubuntu 14.04 上的 php mcrypt 扩展显示它安装正确，但 phpmyadmin 说：
The mcrypt extension is missing. Please check your PHP configuration.
我当前的 php 配置在这里。如果您需要更多信息，请通过评论与我联系。
$ sudo apt-get install php5-mcrypt
Reading package lists... Done
Building dependency tree
Reading state information... Done
php5-mcrypt is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.