PHP page assignment related issues. Greatly help to solve the problem. Give the sub-code

PHP page Assignment problem .... Greatly help to solve the problem. Online waiting for the sub-attached code

(Search business card related categories such as: Domestic, real estate, etc.)

$conn =mysql_connect ("localhost", "root", "toma123") or Die ("Connection error");
mysql_select_db ("CS", $conn);
mysql_query ("Set names ' GBK '");
mysql_query ("Set Characher set gb2312");
mysql_query ("Set names gb2312");
$key = $_get[' key '];

?>

$conn =mysql_connect ("localhost", "root", "toma123") or Die ("Connection error");
mysql_select_db ("CS", $conn);
mysql_query ("Set names ' GBK '");
mysql_query ("Set Characher set gb2312");
mysql_query ("Set names gb2312");

$MD =$_get[' key '];



if ($MD! = "") {

$sql = "SELECT * from Ud8 where title like '% $MD% '";

$result =mysql_query ($sql);

$sst =mysql_fetch_array ($result);

$num =mysql_num_rows ($result); Number of rows of statistics

$pages =ceil ($num/8); Total pages

$page =$_get[' page '; Get page, if not set or page=0, put $page=1;

if ($page = = "")
{
$page = 1;
}

$start = ($page-1) *8;

$sql = "SELECT * from Ud8 the where title like '% $MD% ' limit '. $start.", ". 8;

$query =mysql_query ($sql);

while ($sumpage =mysql_fetch_array ($query)) {

$id = $sumpage [' id '];

$DD = $id;



?>

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