- http://www.coolestguyplanettech.com/how-to-install-mcrypt-for-php-on-mac-osx-lion-10-7-development-server/
- http://www.jorble.com/2013/04/install-php-mcrypt-in-macosx/
- https://github.com/josegonzalez/homebrew-php/issues/104
- https://github.com/josegonzalez/homebrew-php/issues/205