`<?php
include ("../jpgraph.php");
include ("../jpgraph_line.php");
// Some data
$ydata = array(11,3,8,12,5,1,9,13,5,7);
// Create the graph. These two calls are always required
$graph = new Graph(350,250,"auto");
$graph->SetScale("textlin");
// Create the linear plot
$lineplot=new LinePlot($ydata);
$lineplot->SetColor("blue");
// Add the plot to the graph
$graph->Add($lineplot);
// Display the graph
$graph->Stroke();
?>
`