is_uploaded_file
is_uploaded_file
(PHP 4 >= 4.0.3, PHP 5, PHP 7)
is_uploaded_file — Tells whether the file was uploaded via HTTP POST
Description
bool is_uploaded_file ( string $filename )
Returns TRUE
if the file named by filename
was uploaded via HTTP POST. This is useful to help ensure that a malicious user hasn't tried to trick the script into working on files upon which it should not be working--for instance, /etc/passwd.
This sort of check is especially important if there is any chance that anything done with uploaded