Cirkeldiagram

Kode 

<?php

$parts  = array(40, 40, 20);//, 25);
$colors = array(
    array(255, 0, 0),
    array(0, 0, 255),
    array(0,128,0),
    array(255, 255, 0),
    array(0, 0, 0)
);

// Parts in percentage
$red    = 75;
$blue   = 25;

$width  = 200;
$height = 200;

$boxW   = 15;
$boxH   = 15;
$border = false;

$image = imageCreate($width, $height + sizeof($parts) * $boxH * 2);
imageColorAllocate($image, 255, 255, 255);

$centerX = $width  / 2;
$centerY = $height / 2;

$d = 190;

foreach ($parts as $k => $v)
{
    imageFilledArc($image, $centerX, $centerY, $width, $height,
        $d, $d + $v * 3.6,
        imageColorAllocate($image, $colors[$k][0], $colors[$k][1], $colors[$k][2]),
        IMG_ARC_PIE);
    $d += $v * 3.6;

    // Draw box
    imagefilledrectangle($image,
        10,
        $height + ($k + 1) * $boxH + $k * $boxH * 0.5,
        10 + $boxW,
        $height + ($k + 1) * $boxH + $boxH + $k * $boxH * 0.5,
        imageColorAllocate($image, $colors[$k][0], $colors[$k][1], $colors[$k][2]));
    if ($border)
        imagerectangle($image,
            10,
            $height + ($k + 1) * $boxH + $k * $boxH * 0.5,
            10 + $boxW,
            $height + ($k + 1) * $boxH + $boxH + $k * $boxH * 0.5,
            imageColorAllocate($image, 0, 0, 0));

    // Draw percentage string
    imagefttext($image, 10.0, 0.0,
        10 + $boxW + 10,
        $height + ($k + 1) * $boxH + $k * $boxH * 0.5 + $boxH / 1.25,
        imageColorAllocate($image, 0, 0, 0),
        "arial.ttf",
        $v . "%");
}

header("Content-Type: image/png");

imagePng($image);
imageDestroy($image);

?>