string finfo_file ( resource finfo , stringfile_name [, int options [, resourcecontext ]] )
finfo
string file ( string file_name [, intoptions [, resource $context ]] )

<?php
   finfo = finfo_open(FILEINFO_MIME);  // return mime type ala mimetype extension
   foreach(glob("*") asfilename) {
      echo finfo_file(finfo,filename) . "\n";
   }
   finfo_close($finfo);
?>