boolean filter(array fileinfo
Call this method to test if a file passes the filter or not.
When the fileinfo data match the filter
rules, true is returned - otherwise
the method returns false.
The fileinfo parameter consists of four
elements; the first is the file name including path; the second
the file URI. Third element is the "display name", the file name
without path as displayed in file choosers. Fourth and last
array element is the mime type of the file.
Not every element is needed; use
get_needed() to check
which values have to be set. If a value is not needed, you should
put null in it.
Example 66. Sample array
$info = array(