Install php extension on Mac

bash

#Install mcrypt extension php
brew install autoconf mcrypt
#download source php
cd php/ext/mcrypt
/usr/local/Cellar/php55/5.5.30/bin/phpize
./configure
make
sudo make install



#Install intl extension php
brew link icu4c --force
cd php/ext/intl
/usr/local/Cellar/php55/5.5.30/bin/phpize
./configure
make
sudo make install


#Turn on pear and pecl php
cd /usr/lib/php
sudo php install-pear-nozlib.phar
#link to /usr/local/bin
ln -s /usr/local/Cellar/php55/5.5.30/bin/pear 
ln -s /usr/local/Cellar/php55/5.5.30/bin/pecl