$graph

 = 

new

 Graph(400,200);

$graph

->SetMargin(40,40,20,30);   

$graph

->SetScale(“intlin”);

$graph

->SetMarginColor(‘darkgreen@0.8′);

$graph

->title->Set(‘Gradient filled line plot’);

$graph

->yscale->SetAutoMin(0);

// Create the line

$p1

 = 

new

 LinePlot(

$datay

);

$p1

->SetColor(“blue”);

$p1

->SetWeight(0);

$p1

->SetFillGradient(‘red’,'yellow’);

$graph

->Add(

$p1

);

// Output line

$graph

->Stroke();

?>