Hello!
I am professional Web Developer and co-owner of a web-development team with 17 years experience in PHP/SQL Development.
See http://www.thebusinessplace.com. This is one of our best PHP projects. Technologies used: LAMP (Linux, Apache, MySQL, PHP5), Zend Framework, OOP, MVC, SVN, SQL, xHTML, CSS, JavaScript, DOM, XML, AJAX.
I can help you with your project. Just send me the details so we can discuss them.