View the most recent changes for the php5-mcrypt port at: php5-mcrypt.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for php5-mcrypt.
The raw portfile for php5-mcrypt is located here:
http://php5-mcrypt.darwinports.com/dports/php/php5-mcrypt/Portfile
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Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/php5-mcrypt

The php5-mcrypt Portfile 55046 2009-08-06 10:04:09Z ryandesign macports.org $

PortSystem 1.0
PortGroup php5extension 1.0

php5extension.setup mcrypt 5.3.0 bundled
Revision: 1
Category:-append security
Platform: darwin
Maintainers: ryandesign

Description: a PHP interface to the mcrypt library, which offers a wide variety of algorithms

Long Description: ${description}

Checksums: md5 846760cd655c98dfd86d6d97c3d964b0 sha1 934700941d216c453376e3bf24347041cf12c6dc rmd160 9a71b74052b0ca515f2ddf95c051b47a73d33f44

depends_lib-append port:libmcrypt port:libtool

configure.args-append --with-mcrypt=${prefix}

use_parallel_build yes

If you haven't already installed Darwin Ports, you can find easy instructions for doing so at the main Darwin Ports page.
Once Darwin Ports has been installed, in a terminal window and while online, type the following and hit return:

%  cd /opt/local/bin/portslocation/dports/php5-mcrypt
%  sudo port install php5-mcrypt  
Password: 

You will then be prompted for your root password, which you should enter. You may have to wait for a few minutes while the software is retrieved from the network and installed for you. Y ou should see something that looks similar to:

--->  Fetching php5-mcrypt
--->  Verifying checksum for php5-mcrypt
--->  Extracting php5-mcrypt
--->  Configuring php5-mcrypt
--->  Building php5-mcrypt with target all

--->  Staging php5-mcrypt into destroot

--->  Installing php5-mcrypt

- Make sure that you do not close the terminal window while Darwin Ports is working. Once the software has been installed, you can find further information about using php5-mcrypt with these commands:

%  man php5-mcrypt
%  apropos php5-mcrypt
%  which php5-mcrypt
%  locate php5-mcrypt

 Where to find more information: