string sanitizer for filename

Question

I\'m looking for a php function that will sanitize a string and make it ready to use for a filename. Anyone know of a handy one?

( I could write one, but I\'m worri

Answer 1

Making a small adjustment to Sean Vieira's solution to allow for single dots, you could use:

preg_replace("([^\w\s\d\.\-_~,;:\[\]\(\)]|[\.]{2,})", '', $file)