1/*
2  =============Input Type File=============
3*/
4$is_uploading = $_FILES["inputfilename"]["error"];
5/*
6  the variable $is_uploading has value either 0 or 4
7  0 => the user is uploading specific files or images
8  4 => user is not uploading anything
9*/
10$can_pass = $is_uploading == 0 ? true : false;
11if($can_pass){
12  echo "You can Pass";
13}
14else{
15  echo "Please upload. Your request has empty files.";
16}1foreach ($_POST as $key => $value) {
2    if (empty($value)) {
3        //Code to run
4    }
5}