How to Draw and Fill an Ellipse in PHP with imagefilledellipse

Function Overview

imagefilledellipse() draws a filled ellipse on a GD image resource. It returns the image resource on success or FALSE on failure.

Signature

bool imagefilledellipse ( resource $image , int $cx , int $cy , int $width , int $height , int $color )

Parameters

$image – Image resource created by functions such as imagecreatetruecolor().

$cx – X coordinate of the ellipse centre.

$cy – Y coordinate of the ellipse centre.

$width – Width of the ellipse.

$height – Height of the ellipse.

$color – Color identifier allocated with imagecolorallocate().

Example

<?php
// create a blank image
$image = imagecreatetruecolor(400, 300);

// fill the background with black
$bg = imagecolorallocate($image, 0, 0, 0);
imagefill($image, 0, 0, $bg);

// allocate white color for the ellipse
$col_ellipse = imagecolorallocate($image, 255, 255, 255);

// draw the filled ellipse
imagefilledellipse($image, 200, 150, 300, 200, $col_ellipse);

// output the image as PNG
header("Content-type: image/png");
imagepng($image);
?>

Result

The script produces a PNG image containing a white filled ellipse on a black background, similar to the illustration below.