why the result

Hi, please tell me why the result
--------------------------------
the code:

<?php
$link = mysqli_connect("localhost", "root", "", "homedb");
// Check connection
if($link === false){ die("ERROR: Could not connect. " . mysqli_connect_error()); }

//MySqli Select Query
$results = mysqli_query($link, "SELECT `id`, `expiry` FROM `ctltbl`");

$row = $results->fetch_row();

$id = $row[0];
$expiry = (int) $row[1];

if ($expiry > 0) {
  $sql = "UPDATE `ctltbl` SET `expiry` = $expiry - 1 where `id` = $id";

  if (mysqli_query($link, $sql)) {
  echo ".";
  } else {
  echo "ERROR: Could not able to execute $sql. " . mysqli_error($link);
  }

header("location:sysnav.html");
}

echo "We're sorry but your contract has expired. Contact us immediately at uCanLease@yahoo.com";
?>

PHP:

--------------------------------------------
result;

fetch_row(); $id = $row[0]; $expiry = (int) $row[1]; if ($expiry > 0) {
$sql = "UPDATE `ctltbl` SET `expiry` = $expiry - 1 where `id` = $id";
if (mysqli_query($link, $sql)) { echo "."; } else {
echo "ERROR: Could not able to execute $sql. " . mysqli_error($link); }
header("location:sysnav.html"); } echo "We're sorry but your contract has expired. Contact us
immediately at uCanLease@yahoo.com"; ?>

Code (markup):