$_FILES
HTTP File Upload variables
Description
An associative array of items uploaded to the current script
via the HTTP POST method. The structure of this array is outlined in the
POST method uploads
section.
Notes
Note:
This is a 'superglobal', or
automatic global, variable. This simply means that it is available in
all scopes throughout a script. There is no need to do
global $variable; to access it within functions or methods.