Multiple search filters with PHP

Hello.
I have a big table and I would like to impelement a search/filtering to this table.
I have no problem doing it with one filter (like price or author)
but I have no idiea how to do it when the user chooses price, author, and name - all together.

What is the best way to do it?

did you read these posts, maybe there helpfull:

or maybe you mean this?

http://www.sitepoint.com/forums/showthread.php?633541-Database-Search-with-Multiple-Search-Fields

None of them is what I’m looking for

Please descripe what you are looking for then, it will be easier to help you.