$paramMember2 = array(
'email' => $row3['email'],
);
$selectMember2 = $conn->prepare("select * from member where email=:email");
$selectMember2->execute($paramMember2);
$rowMember2 = $selectMember2->fetch();
?>

อาจารย์
if($row3['discount']==$row3['price'] && $row3['discount']!=0 && $row3['price']!=0) { ?>
} elseif($row3['price']==0) { ?>
} else { ?>
0.00 บาท
} ?>