<?php

include ("jpgraph/jpgraph.php");
include ("jpgraph/jpgraph_line.php");

$graph = new Graph(250, 200, "auto"); 
$graph->SetFrame(true);
$graph->SetScale("textlin");

$graph->img->SetMargin(30, 30, 30, 30);

$ydata = array(10, 4, 7, 9, 1, 3);
$lineplot = new LinePlot($ydata);

$graph->Add($lineplot);

$graph->Stroke();
?>