<?php
if(!isset($_SESSION)) { session_start(); }

require_once("../config.inc.php");

   $query3 = "SELECT id, nachname, vorname
                FROM jumi_qr_fellbach
               WHERE mail =''";

   $result3 = $db->query($query3) or die("Cannot execute query3");
   
   while ($row3 = $result3->fetch_array()) {
   $result1 = $db->query("SELECT mail 
                            FROM jumi_buchung 
                           WHERE nachname='$row3[nachname]'
                             AND vorname='$row3[vorname]'
                             AND mail != ''
                           ORDER BY bid DESC
                           LIMIT 1");
   $row1 = $result1->fetch_array();
   $update   = $db->query("UPDATE jumi_qr_fellbach
                              SET mail ='$row1[mail]'
                           WHERE id = $row3[id]
                          ");
   }
?>