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20 years ago
I modificed the code to make a 3d pie from data collected elsewhere.... in this case it was for a statistics page...

when testing you can use:

enjoy

<?php
//Making a image 200 x 200
$im  = imagecreate (200, 200);

//Setting background color
$background = imagecolorallocate($im, 226, 226, 226);

//Setting colors of elements
$randcolor[0] = imagecolorallocate($im, 255, 203, 3);
$randcolor[1] = imagecolorallocate($im, 220, 101, 29);
$randcolor[2] = imagecolorallocate($im, 189, 24, 51);
$randcolor[3] = imagecolorallocate($im, 214, 0, 127);
$randcolor[4] = imagecolorallocate($im, 98, 1, 96);
$randcolor[5] = imagecolorallocate($im, 0, 62, 136);
$randcolor[6] = imagecolorallocate($im, 0, 102, 179);
$randcolor[7] = imagecolorallocate($im, 0, 145, 195);
$randcolor[8] = imagecolorallocate($im, 0, 115, 106);
$randcolor[9] = imagecolorallocate($im, 178, 210, 52);
$randcolor[10] = imagecolorallocate($im, 137, 91, 74);
$randcolor[11] = imagecolorallocate($im, 82, 56, 47);

//Setting the darker alt color to the main color
$darkcolor[0] = imagecolorallocate($im, 205, 153, 0);
$darkcolor[1] = imagecolorallocate($im, 170, 51, 0);
$drakcolor[2] = imagecolorallocate($im, 139, 0, 1);
$darkcolor[3] = imagecolorallocate($im, 164, 0, 77);
$darkcolor[4] = imagecolorallocate($im, 48, 0, 46);
$darkcolor[5] = imagecolorallocate($im, 0, 12, 86);
$darkcolor[6] = imagecolorallocate($im, 0, 52, 129);
$darkcolor[7] = imagecolorallocate($im, 0, 95, 145);
$darkcolor[8] = imagecolorallocate($im, 0, 65, 56);
$darkcolor[9] = imagecolorallocate($im, 128, 160, 2);
$darkcolor[10] = imagecolorallocate($im, 87, 41, 24);
$darkcolor[11] = imagecolorallocate($im, 32, 6, 0);

//Getting the data from GET
$i = 0;
while ($i <= 11) {
$data[$i] = $_GET[++$i];
}

//Getting ready
$datasum = array_sum($data);
$anglesum[0] = 0;
$angle[0] = 0;
$i = 0;

//Calc the start and end angle position of the elements
while ($i <= 11) {
    ++$i;
    $n = $i - 1;
    $part[$i] = $data[$n] / $datasum;
    $angle[$i] = floor($part[$i] * 360);
    $anglesum[$i] = array_sum($angle);
}

/*
//DEBUGGING - only for testing purposes
echo "<pre>";
print_r($part);
print_r($anglesum);
print_r($angle);
*/

// make the 3D effect
$n = 0;$i=0;
while ($n <= 11) {
    ++$n;
    $f = $n - 1;
    if ($angle[$n] != 0) {
        for ($i = 110; $i > 100; $i--) {
            imagefilledarc($im, 100, $i, 200, 100, $anglesum[$f], $anglesum[$n], $darkcolor[$f], IMG_ARC_PIE);
        }
    }
}

//make the 2d data that sits above the 3deffect
$i = 0;
while ($i <= 11) {
    ++$i;
    $n = $i - 1;
    if ($angle[$i] != 0) {
       imagefilledarc($im, 100, 100, 200, 100, $anglesum[$n], $anglesum[$i], $randcolor[$n], IMG_ARC_PIE);
    }   
}

// flush image
header('Content-type: image/png');
imagepng($im);
imagedestroy($im);
?>
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