How to test if a user has SELECTED a file to upload?

Question

on a page, i have :

if (!empty($_FILES[\'logo\'][\'name\'])) {
    $dossier     = \'upload/\';
    $fichier     = basename($_FILES[\'logo\'][\'name\']);
            


        

Answer 1

if ($_FILES['logo']['error'] === 0)

is the only right way