Installing PHP mcrypt extension under Snow Leopard (Mac OS X Version 10.6.3)


Step 1

Enable php in /etc/httpd.conf by uncommenting (remove # at the start of line) the following line

LoadModule php5_module libexec/apache2/libphp5.so

Step 2

a) Download libmcrypt from http://sourceforge.net/projects/mcrypt/files/Libmcrypt/2.5.8/libmcrypt-2.5.8.tar.bz2/download

b) Extract the contents to ~/Downloads/libmcrypt-2.5.8

c) In Terminal type the following commands

cd ~/Downloads/libmcrypt-2.5.8/
./configure --disable-posix-threads --enable-static
make
sudo make install

Step 3

a) Download source code of PHP 5.3.0 from http://us2.php.net/get/php-5.3.0.tar.gz/from/a/mirror

b) Extract the contents to ~/Downloads/php-5.3.0

c) In Terminal type the following commands

cd ~/Downloads/php-5.3.0/ext/mcrypt
phpize
./configure
make
cd modules
sudo cp mcrypt.so /usr/lib/php/extensions/no-debug-non-zts-20090626/

Step 4

a) Set your default timezone in php.ini located at /etc. Mine is 

date.timezone = Asia/Kolkata

b) Enable the mcrypt extension by typing/editing the following in php.ini

extension=/usr/lib/php/extensions/no-debug-non-zts-20090626/mcrypt.so

Step 5

Restart apache with the following command in Terminal

sudo apachectl restart

Step 6

1) Test your php installation by creating a test.php file in /Library/WebServer/Documents
with the following contents
<?php
phpinfo();
?>
2) Open a browser and go to http://127.0.0.1/test.php which should
list the version and other details regarding PHP.
You should also see a section with mcrypt details.