I have been trying to install php-mcrypt for a while now. Everytime I get the \"No package php-mcrypt available.\" returned to me. Here\'s what I\'ve tried:
Download php-mcrypt from fedora:
http://injustfiveminutes.wordpress.com/2012/11/23/install-php-mcrypt-extension-on-rhel-6/
Check if you're facing a known bug with a wrongly packaged php-mcrypt extension:
http://www.sterndata.com/blog/phymyadmin-mcrypt-and-centos-6-mcrypt-extension-missing-solved