อยากทราบว่า โค้ดนี้ถูกต้องมั้ยอ่ะครับ เกี่ยวกับ export to excel ช่วยดูให้ทีนะครับ

<?
		echo $sort=$_GET['sort'];
		echo $order=$_GET['order'];
		echo $ddlSelect=$_GET['ddlSelect'];
		echo $txtKeyword=$_GET['txtKeyword'];
		echo $txtKeyword2=$_GET['txtKeyword2'];
		$strSQL = "SELECT * FROM workorder WHERE '".$_GET['ddlSelect']."' = '".$_GET['txtKeyword']."' ORDER BY '".$_GET['sort']."' ".$order." "; // โค้ดนี้ ถูกต้องตาม syntex มั้ยครับ จะทำงานได้มั้ย
		$objQuery = mysql_query($strSQL);
		if($objQuery)
		{			
				//*** Get Document Path ***//
				$strPath = realpath(basename(getenv($_SERVER["SCRIPT_NAME"]))); // C:/AppServ/www/myphp
				//*** Excel Document Root ***//
				$strFileName = "MyXls/WorkList.xls";
				//*** Connect to Excel.Application ***//
				$xlApp = new COM("Excel.Application");
				$xlBook = $xlApp->Workbooks->Add();
				//*** Create Sheet 1 ***//
				$xlBook->Worksheets(1)->Name = "Work List";							
				$xlBook->Worksheets(1)->Select;
				//*** Header ***//
				$xlApp->ActiveSheet->Cells(1,1)->Value = "IDwork";
				$xlApp->ActiveSheet->Cells(1,2)->Value = "work";
				$xlApp->ActiveSheet->Cells(1,3)->Value = "date";
				$xlApp->ActiveSheet->Cells(1,4)->Value = "worker1";
				$xlApp->ActiveSheet->Cells(1,5)->Value = "position1";
				$xlApp->ActiveSheet->Cells(1,6)->Value = "detail";
				$xlApp->ActiveSheet->Cells(1,7)->Value = "status";
				$xlApp->ActiveSheet->Cells(1,8)->Value = "detail_un";
				$xlApp->ActiveSheet->Cells(1,9)->Value = "UserID";
				$xlApp->ActiveSheet->Cells(1,10)->Value = "fname";
				//***********//
				$intRows = 2;
				while($objResult = mysql_fetch_array($objQuery))
				{				
					//*** Detail ***//
					$xlApp->ActiveSheet->Cells($intRows,1)->Value = $objResult["IDwork"];
					$xlApp->ActiveSheet->Cells($intRows,2)->Value = $objResult["work"];
					$xlApp->ActiveSheet->Cells($intRows,3)->Value = $objResult["date"];
					$xlApp->ActiveSheet->Cells($intRows,4)->Value = $objResult["worker1"];
					$xlApp->ActiveSheet->Cells($intRows,5)->Value = $objResult["position1"];
					$xlApp->ActiveSheet->Cells($intRows,6)->Value = $objResult["detail"];
					$xlApp->ActiveSheet->Cells($intRows,7)->Value = $objResult["status"];
					$xlApp->ActiveSheet->Cells($intRows,8)->Value = $objResult["detail_un"];
					$xlApp->ActiveSheet->Cells($intRows,9)->Value = $objResult["UserID"];
					$xlApp->ActiveSheet->Cells($intRows,10)->Value = $objResult["fname"];
					$intRows++;
				}
				@unlink($strFileName); //*** Delete old files ***//	
				$xlBook->SaveAs($strPath."/".$strFileName); //*** Save to Path ***//
				//$xlBook->SaveAs(realpath($strFileName)); //*** Save to Path ***//
				//*** Close & Quit ***//
				$xlApp->Application->Quit();
				$xlApp = null;
				$xlBook = null;
				$xlSheet1 = null;
		}
		mysql_close();	
?>
Excel Created <a href="<?=$strFileName?>">Click here</a> to Download.