$noiDungBL = $_REQUEST['noiDungBL'];
 $nguoiBL = NguoiDungDAO::LayThongTinNguoiDungTheoMa($_REQUEST['user']);
 // tạo đối tượng
 $maBL = DoiTuongDAO::ThemDoiTuong('Binh luan');
 if ($maBL > 0) {
     // nếu tạo tối tượng thành công --> thêm bình luận
     $binhLuan = new BinhLuanDTO();
     $binhLuan->MaBL = $maBL;
     $binhLuan->NoiDungBL = $noiDungBL;
     $binhLuan->NguoiBL = $nguoiBL->MaNguoiDung;
     $binhLuan->DaXoa = 0;
     $binhLuan->DoiTuongBL = $maDoiTuong;
     $binhLuan->NgayBL = date('Y-m-d');
     if (BinhLuanDAO::ThemBL($binhLuan)) {
         // nếu thêm thành công
         $binhLuanDto = BinhLuanDAO::LayBinhLuanTheoMaBL($maBL);
         $thoiGianBL = date_create($binhLuanDto->NgayBL);
         $gioBL = $thoiGianBL->format('H:i');
         $ngayBL = $thoiGianBL->format('d-m-Y');
         $soNguoiLike = 0;
         if ($_REQUEST['page'] == "BinhLuan_SP") {
             $idKQ_Like_BL = "kq_like_binhluan_sp_" . $binhLuanDto->MaBL;
             $funcLikeBL = "funcLike('" . $binhLuanDto->MaBL . "','" . $nguoiBL->MaNguoiDung . "','" . $idKQ_Like_BL . "','BinhLuanSP')";
         }
         if ($_REQUEST['page'] == "BinhLuan_SK") {
             $idKQ_Like_BL = "kq_like_binhluan_sk_" . $binhLuanDto->MaBL;
             $funcLikeBL = "funcLike('" . $binhLuanDto->MaBL . "','" . $nguoiBL->MaNguoiDung . "','" . $idKQ_Like_BL . "','BinhLuanSP')";
         }
         echo "\t\t\t\t\r\n\t\t\t\t<div class='comment-wrapper'>                       \t  \t\r\n\t\t\t\t\t<div class='avatar'><img src='{$nguoiBL->AnhDaiDien}' width='1280' height='1024' /></div>\r\n\t\t\t\t\t<div class='content'>\r\n\t\t\t\t\t\t <div class='title-comment'>\r\n\t\t\t\t\t\t\t<span class='text-color-normal-1'>\r\n\t\t\t\t\t\t\t\t<a href='trang_ca_nhan.php?id={$nguoiBL->MaNguoiDung}'>" . $nguoiBL->UserName . "</a>\r\n\t\t\t\t\t\t\t</span> bình luận lúc {$gioBL} ngày {$ngayBL}.\r\n\t\t\t\t\t\t </div>\r\n\t\t\t\t\t\t <div class='primary-comment'>\r\n\t\t\t\t\t\t\t\t{$binhLuanDto->NoiDungBL}\r\n\t\t\t\t\t\t </div>\r\n\t\t\t\t\t\t <div class='action' id='{$idKQ_Like_BL}'>\r\n\t\t\t\t\t\t\t0 người thích <span class='text-color-normal-1 likes' onclick={$funcLikeBL} > Like </span>\r\n\t\t\t\t\t\t </div>\r\n\t\t\t\t\t\t \r\n\t\t\t\t\t</div>                            \r\n\t\t\t\t\t<!--end .content-->\r\n\t\t\t\t\t<div class='button'>\r\n\t\t\t\t\t\t<span class='remove ui-icon ui-icon-close' title='Xóa'>&nbsp;</span>\r\n\t\t\t\t\t</div>\r\n\t\t\t\t</div>\r\n\t\t\t\t<!--end .comment-wrapper-->";
     }
 }
<?php

require_once '../class/BinhLuanDAO.php';
$maBL = $_REQUEST['maBinhLuan'];
$bl = BinhLuanDAO::LayBinhLuanTheoMaBL($maBL);
$res = BinhLuanDAO::XoaBL($maBL);
if (!$res) {
    return;
} else {
    $lstBL = BinhLuanDAO::LayDSBL_TheoMaDoiTuong($bl->DoiTuongBL);
    $soluong = count($lstBL);
    echo $soluong;
}