source: trunk/xgraph/jpgraph/Examples/example1.2.php

<?php // content="text/plain; charset=utf-8"
require_once ('jpgraph/jpgraph.php');
require_once ('jpgraph/jpgraph_line.php');

$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);    
$graph->SetScale("textlin");
$graph->img->SetMargin(30,90,40,50);
$graph->xaxis->SetFont(FF_FONT1,FS_BOLD);
$graph->title->Set("Dashed lineplot");

// Create the linear plot
$lineplot=new LinePlot($ydata);
$lineplot->SetLegend("Test 1");
$lineplot->SetColor("blue");

// Style can also be specified as SetStyle([1|2|3|4]) or
// SetStyle("solid"|"dotted"|"dashed"|"lobgdashed")
$lineplot->SetStyle("dashed");


// Add the plot to the graph
$graph->Add($lineplot);

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