ช่วยดูดค๊ดให้ทีครับ กราฟไม่ออกครับ - ผมทำกราฟไม่ออกอ่ะครับ คือว่า มันต้องการค่าที่เป็นแบบ array เท่านั้น

<?php
include ("../jpgraph.php");
include ("../jpgraph_line.php");
 include("../../../config.inc.php") ;
mysql_connect( $host,$username,$password) or die ("?????????????????? Mysql ?????? ");
mysql_query("SET CHARACTER SET tis620");

mysql_select_db($db) or die("????????????????????"); /* ??????????????????????? */

$sql="SELECT ILI,Influenza FROM ili_visited,influenza where ili_visited.week=Influenza.week"; 
$db_query=mysql_db_query(ois,$sql);
$num_rows=mysql_num_rows($db_query);
$a=0;
while($a < $num_rows)
{
$result = mysql_fetch_array($db_query);
$ILI[] = $result[ILI];
$Influenza[] = $result[Influenza];

foreach($ILI as $val)   '<br>';


foreach($Influenza as $val1) '<br>';


$a++;
				}
 

/*for($i=0;$i<$num_rows;$i++){
$ILI1[i];
$Influenza1[i];
}*/

// Create the graph and specify the scale for both Y-axis
$graph = new Graph(400,200,"auto");	
$graph->SetScale("textlin");
$graph->SetY2Scale("lin");
$graph->SetShadow();

// Adjust the margin
$graph->img->SetMargin(40,140,20,40);

// Create the two linear plot
$lineplot=new LinePlot($val);
$lineplot2=new LinePlot($val1);

// Add the plot to the graph
$graph->Add($lineplot);
$graph->AddY2($lineplot2);
$lineplot2->SetColor("orange");
$lineplot2->SetWeight(2);

// Adjust the axis color
$graph->y2axis->SetColor("orange");
$graph->yaxis->SetColor("blue");

$graph->title->Set("Example 6");
$graph->xaxis->title->Set("X-title");
$graph->yaxis->title->Set("Y-title");

$graph->title->SetFont(FF_FONT1,FS_BOLD);
$graph->yaxis->title->SetFont(FF_FONT1,FS_BOLD);
$graph->xaxis->title->SetFont(FF_FONT1,FS_BOLD);

// Set the colors for the plots 
$lineplot->SetColor("blue");
$lineplot->SetWeight(2);
$lineplot2->SetColor("orange");
$lineplot2->SetWeight(2);

// Set the legends for the plots
$lineplot->SetLegend("ILI");
$lineplot2->SetLegend("Influenza");

// Adjust the legend position
$graph->legend->Pos(0.05,0.5,"right","center");

// Display the graph
$graph->Stroke();
?>