ช่วยที่ค่ะ jpgraphไม่ขึ้น แบบนี้กราฟทำงานได้ปกติถึงจะยังไม่มีข้อมูลการฟขึ้นมาแบบไม่มีข้อมูล ปกติ

include("../JpGraph/src/jpgraph.php");
include("../JpGraph/src/jpgraph_bar.php");
$g = new Graph(500, 300);
$g->SetScale("textlin");

$title = iconv("tis-620", "utf-8", "รายงาน");
$g->title->Set($title);
$g->title->SetFont(FF_JASMINE, FS_BOLD, 16);

$labels = array("m", "sd", "sd", "SDF" ,"df", "fs");
for($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(0);

$data1 = array($mon1 , $mon2 , $mon3 ,  $mon4 , $mon5 , $mon6 ,$mon7 ,$mon8 ,$mon9 ,$mon10 ,$mon11 ,$mon12 );
$bar1 = new BarPlot($data1);

$data2 = array($mont1 , $mont2 , $mont3 ,  $mont4 , $mont5 , $mont6 ,$mont7 ,$mont8 ,$mont9 ,$mont10 ,$mont11 ,$mont12);
$bar2 = new BarPlot($data2);



$bar1->value->Show();
$bar1->value->SetAngle(90);
$bar1->SetFillColor("blue");
$bar1->SetLegend("Product 1");

$bar2->value->Show();
$bar2->value->SetAngle(90);
$bar2->SetFillColor("lightgray");
$bar2->SetLegend("Product 2");



$bars = array($bar1, $bar2);
$gb = new GroupBarPlot($bars);

$g->Add($gb);
$g->Stroke();

///////สว่นที่เพิ่ม//////////////////////////////////////////////////////
<?
include("../JpGraph/src/jpgraph.php");
include("../JpGraph/src/jpgraph_bar.php");
include("../connect.php");
$year1 = $_GET['year1'];
$year2 = $_GET['year2'];
$sql1 = "select * from rent WHERE year = $year1";
$result1 = mysql_query($sql1);
while($row1 = mysql_fetch_array($result1)){
	
	//$mon1  += $row1['month1'];
	$mon2  += $row1['month2'];
	$mon3  += $row1['month3'];
	$mon4  += $row1['month4'];
	$mon5  += $row1['month5'];
	$mon6  += $row1['month6'];
	$mon7  += $row1['month7'];
	$mon8  += $row1['month8'];
	$mon9  += $row1['month9'];
	$mon10 += $row1['month10'];
	$mon11 += $row1['month11'];
	$mon12 += $row1['month12'];
	
	}
$totlemon1 = $mon1 +$mon2 +$mon3 +$mon4 +$mon5 +$mon6 +$mon7 +$mon8 +$mon9 +$mon10 +$mon11 +$mon12; 
$sql2 = "select * from rent WHERE year = $year2";
$result2 = mysql_query($sql2);
while($row2 = mysql_fetch_array($result2)){
	$mont1  += $row2['month1'];
	$mont2  += $row2['month2'];
	$mont3  += $row2['month3'];
	$mont4  += $row2['month4'];
	$mont5  += $row2['month5'];
	$mont6  += $row2['month6'];
	$mont7  += $row2['month7'];
	$mont8  += $row2['month8'];
	$mont9  += $row2['month9'];
	$mont10 += $row2['month10'];
	$mont11 += $row2['month11'];
	$mont12 += $row2['month12'];
	
	}
	$totlemon2 = $mont1 +$mont2 +$mont3 +$mont4 +$mont5 +$mont6 +$mont7 +$mont8 +$mont9 +$mont10 +$mont11 +$mont12;
/////////////////////สว่นที่เพิ่ม//////////////
$g = new Graph(500, 300);
$g->SetScale("textlin");

$title = iconv("tis-620", "utf-8", "รายงาน");
$g->title->Set($title);
$g->title->SetFont(FF_JASMINE, FS_BOLD, 16);

$labels = array("m", "sd", "sd", "SDF" ,"df", "fs");
for($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(0);

$data1 = array($mon1 , $mon2 , $mon3 ,  $mon4 , $mon5 , $mon6 ,$mon7 ,$mon8 ,$mon9 ,$mon10 ,$mon11 ,$mon12 );
$bar1 = new BarPlot($data1);

$data2 = array($mont1 , $mont2 , $mont3 ,  $mont4 , $mont5 , $mont6 ,$mont7 ,$mont8 ,$mont9 ,$mont10 ,$mont11 ,$mont12);
$bar2 = new BarPlot($data2);



$bar1->value->Show();
$bar1->value->SetAngle(90);
$bar1->SetFillColor("blue");
$bar1->SetLegend("Product 1");

$bar2->value->Show();
$bar2->value->SetAngle(90);
$bar2->SetFillColor("lightgray");
$bar2->SetLegend("Product 2");



$bars = array($bar1, $bar2);
$gb = new GroupBarPlot($bars);

$g->Add($gb);
$g->Stroke();
?>