mCrypt not present after Ubuntu upgrade to 13.10

Question

After I have upgraded my system from Ubuntu 13.04 to 13.10 several problems have occurred with apache, mysql and php configurations.

I solved most of them but I can

Answer 1

I had this problem with Ubuntu 14.04 and I did the following to resolve it:

sudo apt-get install php5-mcrypt
sudo php5enmod mcrypt

sudo service apache2 restart