Try PHP Build a PHP website by PHP open source scripts

PHP Link Directory is now the most widely used link directory management systems around. It is an affordable, commercial PHP script that allows you to easily build your customized link directory, with built in themes as well as additional templates and modes that are readily available.
The great advantage of phpLD is the number of templates [...]

Are you looking up a free php directory script? Maybe the Freeglobes is your choice.
Freeglobes is a Free PHP/MySQL directory, aims to be user friendly and respectfull of the standards of the internet, easy to install and  be customized. There is a plugin system, you can add new features to Freeglobes without having to [...]