เรียนถามท่านผู้รู้ คือดิฉันต้องการสร้าง กราฟ 2เส้นโดยดึงข้อมูลมาจาก database

<?php
include("JpGraph/src/jpgraph.php");
include("JpGraph/src/jpgraph_line.php");
$project =$_REQUEST['DeptCode']; 
 include("db/connect.php");
 include("function/funcdate.php"); 

$g = new Graph(900,400);
$g->SetScale("textlin");
$title=iconv('TIS-620','UTF-8',"ประมาณการกระแสเงินสดเทียบกับกระแสเงินสดของโครงการ");
$g->title->Set($title);
$g->title->SetFont(FF_JASMINE,FS_BOLD,16);


//ครั้งที่1
$sql="SELECT o.DeptCode,o.ProjectCode, o.Amount,o.Description ,d.DeptName,o.StartDate
FROM openproject AS o  INNER JOIN department AS d ON o.DeptCode = d.DeptCode
where o.ProjectCode='$project'";
	$tebleopenproject =mysql_query($sql) or die("Error : $sql".mysql_error());
		 while($data1 = mysql_fetch_array($tebleopenproject)) {
		  $deptcodeO = $data1["DeptCode"];
		  $projectO = $data1["1"];
		  $amountO = $data1["2"];
		  $descriptionO = $data1["3"]; 
		   $depnameO = $data1['4'];
		    $startdateO = $data1['5'];
			
			list($oyear,$omonth,$oday) =explode("-",$startdateO,3);
						$oyear1 = $oyear+543;
	 } 
	//**********************************************************************************************************
		$firstmonth =  $omonth;
		$firstyear =  $oyear1;
		$tmonth = $firstmonth;
		$tyear =  $firstyear;		
		$jobtype = array();
		for ($i=1; $i<=12; $i++) {
			if ($tmonth == 13 ) { 
				$tmonth =  1;
				$tyear = $tyear + 1;
				}
	
			$jobtype[$i][1] = $tmonth;   //1 ==> month
			$jobtype[$i][2] = $tyear;      // 2 ==> Year 
			$jobtype[$i][3] = 0.00;         //  3 ==>  amountpi
			$jobtype[$i][4] = 0.00;        //  4 ==>  amountpo
			$jobtype[$i][5] = 0.00;         //  5 ==>  amountai
			$jobtype[$i][6] = 0.00;         //  6 ==>  amountao
			$tmonth = $tmonth + 1;
			}
//ครั้งที่2		
	$sql ="SELECT ProjectCode, year(TransDate), month(TransDate), sum(AmountCash)
				FROM cashflow 
				WHERE TypeCode ='P'  AND TransType='I' AND ProjectCode ='$project' 
				GROUP BY  ProjectCode, year(TransDate), month(TransDate)
				Order by  year(TransDate) ASC, month(TransDate)  ASC ";
	$teblecashpi =mysql_query($sql) or die("Error : $sql".mysql_error());
	$countpi = mysql_num_rows($teblecashpi);
	while($data2 = mysql_fetch_array($teblecashpi)){
			$projectpi =$data2['ProjectCode'];
			 $tyear =  $data2["1"];
			$tmonth =  $data2["2"];
		   $sumamountpi  =  $data2["3"];
			if ($firstyear == $tyear) { $i = ($tmonth - $firstmonth) + 1;}
			if ($firstyear < $tyear) { $i = (12 - $firstmonth)+1 + $tmonth;}	
			$jobtype[$i][3] = $data2["3"];
	}
	

//ครั้งที่3	
	$sql ="SELECT ProjectCode, year(TransDate), month(TransDate), sum(AmountCash)
				FROM cashflow 
				WHERE TypeCode ='P'  AND TransType='O' AND ProjectCode ='$project' 
				GROUP BY  ProjectCode, year(TransDate), month(TransDate)
				Order by  year(TransDate) ASC, month(TransDate)  ASC ";
	$teblecashpo =mysql_query($sql) or die("Error : $sql".mysql_error());
	while($data3 = mysql_fetch_array($teblecashpo)){
			$projectpo =$data3['ProjectCode'];
			$tyear =  $data3["1"];
			$tmonth =  $data3["2"];
		   $sumamountpo  =  $data3["3"];
			if ($firstyear == $tyear) { $i = ($tmonth - $firstmonth) + 1;}
			if ($firstyear < $tyear) { $i = (12 - $firstmonth)+1 + $tmonth;}	
			$jobtype[$i][4] = $data3["3"];
	}

	
//ครั้งที่4	
	$sql ="SELECT ProjectCode,year(TransDate),month(TransDate),sum(AmountCash)
				FROM cashflow 
				WHERE TypeCode ='A' AND TransType='I' AND ProjectCode ='$project' AND TaxInvoiceNo <>''
				GROUP BY  ProjectCode, year(TransDate), month(TransDate)
					Order by  year(TransDate) ASC, month(TransDate)  ASC ";
	$teblecash =mysql_query($sql) or die("Error : $sql".mysql_error());
		while($data4 = mysql_fetch_array($teblecash)){
			$projectai =$data4['ProjectCode'];
			$tyear =  $data4["1"];
			$tmonth =  $data4["2"];
		   $sumamountai  =  $data4["3"];
			if ($firstyear == $tyear) { $i = ($tmonth - $firstmonth) + 1;}
			if ($firstyear < $tyear) { $i = (12 - $firstmonth)+1 + $tmonth;}	
			$jobtype[$i][5] = $data4["3"];
	}
		

//ครั้งที่5	
	$sql ="SELECT ProjectCode,  year(TransDate), month(TransDate), sum(AmountCash)
				FROM cashflow 
				WHERE TypeCode ='A' AND TransType='O' AND ProjectCode ='$project' AND TaxInvoiceNo <>''
				GROUP BY  ProjectCode, year(TransDate), month(TransDate)
					Order by  year(TransDate) ASC, month(TransDate)  ASC ";
	$teblecashao =mysql_query($sql) or die("Error : $sql".mysql_error());
		while($data5 = mysql_fetch_array($teblecashao)){
			$projectao =$data5['ProjectCode'];
			$tyear =  $data5["1"];
			$tmonth =  $data5["2"];
		   $sumamountao  =  $data5["3"];
			if ($firstyear == $tyear) { $i = ($tmonth - $firstmonth) + 1;}
			if ($firstyear < $tyear) { $i = (12 - $firstmonth)+1 + $tmonth;}	
			$jobtype[$i][6] = $data5["3"];
		
	}

//เอาข้อมูลครั้งที่2 ลบ ครั้งที่3 
//เอาข้อมูลครั้งที่4 ลบ ครั้งที่5 
		for ($i=0; $i<=$countpi;$i++;) {
	
	             $jobp =  $jobtype[$i][3]-$jobtype[$i][4];
	             $joba =  $jobtype[$i][5]-$jobtype[$i][6];
				  
				   
	}

$labels = array($countpi); 
for ($i =0; $i < count($labels); $i++) {
	$labels[$i] = iconv('TIS-620','UTF-8',$labels[$i]);
}
$g->xaxis->SetTickLabels($labels);
$g->xaxis->SetFONT(FF_CORDIA,FS_NORMAL,14);
$g->xaxis->SetLabelAngle(45);
$data6 = array(300,250,425,300,175,250);
$line1 = new LinePlot($data6);
$data7 = array(150,200,175,300,250,275);
$line2 = new LinePlot($data7);

$line1->value->Show();
$line1->SetColor('red');
$line1->mark->SetType(MARK_STAR);
$line1->mark->SetColor('red');
$line1->SetLegend("Product 1");

$line2->value->Show();
$line2->mark->SetType(MARK_SQUARE);
$line2->SetLegend("Product 2");

$g->Add($line1);
$g->Add($line2);
$g->Stroke();

mysql_close($conn);
?>