source: trunk/xgraph/jpgraph/Examples/piecex1.php

<?php // content="text/plain; charset=utf-8"
// $Id
// Example of pie with center circle
require_once ('jpgraph/jpgraph.php');
require_once ('jpgraph/jpgraph_pie.php');

// Some data
$data = array(50,28,25,27,31,20);

// A new pie graph
$graph = new PieGraph(300,300,'auto');

// Setup title
$graph->title->Set("Pie plot with center circle");
$graph->title->SetFont(FF_ARIAL,FS_BOLD,14);
$graph->title->SetMargin(8); // Add a little bit more margin from the top

// Create the pie plot
$p1 = new PiePlotC($data);

// Set size of pie
$p1->SetSize(0.32);

// Label font and color setup
$p1->value->SetFont(FF_ARIAL,FS_BOLD,10);
$p1->value->SetColor('black');

// Setup the title on the center circle
$p1->midtitle->Set("Test mid\nRow 1\nRow 2");
$p1->midtitle->SetFont(FF_ARIAL,FS_NORMAL,10);

// Set color for mid circle
$p1->SetMidColor('yellow');

// Use percentage values in the legends values (This is also the default)
$p1->SetLabelType(PIE_VALUE_PER);

// Add plot to pie graph
$graph->Add($p1);

// .. and send the image on it's marry way to the browser
$graph->Stroke();

?>