Draw pie chart in PHP
Description
The following code shows how to draw pie chart.
Example
/* ww w .j a va 2s .c om*/
<?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);
?>
The code above generates the following result.
