fetchByAssoc($db->query($query)); $r = $r['value0']; do { $r+=1; while (strlen($r) < 5) $r = '0' . $r; $query = "SELECT code FROM ecmproducts WHERE code = '" . $r . "'"; $check = $db->fetchByAssoc($db->query($query)); $check = $check['code']; } while (count($check) > 0); $query = "UPDATE operating_values SET value0 = " . $r . " WHERE name = 'ecmproductsCodeIncrement'"; $db->query($query); $json = json_encode($r); print $json; }