if (filter_var($email, FILTER_VALIDATE_EMAIL) == false) { ?> <div id="email_false"> <?php if ($lang == "vn") { echo "Địa chỉ email không hợp lệ."; } else { echo "Email address is invalid."; } ?> </div> <?php } else { $check = $i->checkEmailMarketing($email); if ($check == 1) { $i->addEmailMarketing($email); ?> <div id="email_true"> <?php if ($lang == "vn") { echo "Cám ơn bạn đã yêu cầu nhận báo giá."; } else { echo "Thank you for your request."; } ?> </div> <?php } else { ?> <div id="email_false"> <?php