php if input is empty

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Federica
07 Jul 2019
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}
Rex
07 Jan 2021
1$a = empty($a) ? "Default value" : $a;
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