is_uploaded_file

is_uploaded_file

(PHP 4 >= 4.0.3, PHP 5, PHP 7)

is_uploaded_fileTells 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