آیا این کشف یک ایراد در طراحی الگوی کنترل منطق شرطی در php است؟!!!!

 
 
$params=(count($_POST))?$_POST:$_GET;
 
	if (! empty ($params['buy'])){
 
 
	$buy=($params['buy']);
	buying($buy);
	}
 
	function buying($buy){
	echo $_COOKIE["TestCookie"];
	if(! isset($_COOKIE["TestCookie"]) && empty($_COOKIE["TestCookie"])){
 
	session_start();
    $bCustomerId=(strtotime(date('Y-m-d H:i:s'))*strtotime(date('Y-m-d H:i:s')))/strtotime(date('Y-m-d H:i:s')).session_id();
    $codeM=$bCustomerId;
	setcookie("TestCookie", $bCustomerId);
	$bCustomerId=$bCustomerId;
    $bPCode=$buy;
 
	$connect=new DataLayer();
	$connect->Connect();
	$link=$connect->link_con;
 
	$query="insert into db (bCustomerId,bPCode,bQuantity) values ('$bCustomerId','$bPCode',1)";
		mysql_query($query,$link)or die ("Couldnt add data to basket table".mysql_error());
		mysql_close($link);
 
	}
	else 
	{
	$bCustomerId=$_COOKIE["TestCookie"];
    $bPCode=$buy;
 
	$connect=new DataLayer();
	$connect->Connect();
	$link2=$connect->link_con;
 
	    $query2="insert into db (bCustomerId,bPCode,bQuantity) values ('$bCustomerId','$bPCode','2')";
		mysql_query($query2,$link2)or die ("Couldnt add data to basket table".mysql_error());
		mysql_close($link2);
 
 
 
		}