This is good page to find useful PHP scripts. PHPfront is a depository of PHP codes and snippets. Learn PHP from these free codes or add them to your own scripts. PHPfront is 100% free to use and supported by its own users. If you would like to add a snippet of code to the site, you can do so on the submit page.
It aims to be one of the biggest free PHP script repositories, but being still in the infancy it needs more users to join and add useful scripts. So as a community it can be made into a very good repository. It will surely help PHP beginners. But, i found some really interesting scripts in its presently small collection of scripts.
See it for yourself at-