\n";
$md5=md5($url);
$qs="insert into linkdb set hash='$md5',url='$url'";
# echo "qs=$qs
";
$link_id=mysql_connect("localhost","webuser","hello");
mysql_select_db("web");
$qr=mysql_query($qs);
# echo "qr=$qr
";
if ($qr){
echo "Your short link is http://",$_SERVER['HTTP_HOST'],"/x/$md5
";
} else{
$qs="SELECT hash,url FROM linkdb WHERE hash='$md5'";
$qr=mysql_query($qs);
if ($qr){
$a=mysql_fetch_array($qr);
echo "Your short link is http://",$_SERVER['HTTP_HOST'],"/x/$a[hash]
";
mysql_free_result($qr);
}
} # else
mysql_close($link_id);
} # if
?>
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