php google search code request

hello,
i want to search for any word in the all scripts in the domain beside handle the search result back in php code in my site

i think we have to use google to make code like that

so any body have that code please ???

please just i want to know how can we program code like the search engin code in that site http://softarchive.net/

so please any help with code like that ??

More than likely they have that info stored in a database. If your site is similar you can create your own simple search using SQL statements.

There are also packages out there which allow you to search. Try www.sphinxsearch.com