Draw pie chart : Pie Chart « Chart « PHP

1. PHP
2. Chart
3. Pie Chart

Draw pie chart

<?php
$myImage = ImageCreate(300,300);

$white = ImageColorAllocate ($myImage, 255, 255, 255);
$red  = ImageColorAllocate ($myImage, 255, 0, 0);
$green = ImageColorAllocate ($myImage, 0, 255, 0);
$blue = ImageColorAllocate ($myImage, 0, 0, 255);
$lt_red = ImageColorAllocate($myImage, 255, 150, 150);
$lt_green = ImageColorAllocate($myImage, 150, 255, 150);
$lt_blue = ImageColorAllocate($myImage, 150, 150, 255);

for ($i = 120;$i > 100;$i--) {
    ImageFilledArc ($myImage, 100, $i, 200, 150, 0, 90, $lt_red, IMG_ARC_PIE);
    ImageFilledArc ($myImage, 100, $i, 200, 150, 90, 180, $lt_green, IMG_ARC_PIE);
    ImageFilledArc ($myImage, 100, $i, 200, 150, 180, 360, $lt_blue, IMG_ARC_PIE);
}

ImageFilledArc($myImage, 100, 100, 200, 150, 0, 90, $red, IMG_ARC_PIE);
ImageFilledArc($myImage, 100, 100, 200, 150, 90, 180 , $green, IMG_ARC_PIE);
ImageFilledArc($myImage, 100, 100, 200, 150, 180, 360 , $blue, IMG_ARC_PIE);

header ("Content-type: image/png");
ImagePNG($myImage);

ImageDestroy($myImage);
?>


           
       

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