imageellipse
(PHP 4 >= 4.0.6, PHP 5)
imageellipse -- Draw an ellipse
Description
bool
imageellipse ( resource image, int cx, int cy, int width, int height, int color )
Draws an ellipse centered at the specified coordinates.
Parameters
imageAn image resource, returned by one of the image creation functions,
such as imagecreatetruecolor().
cx
x-coordinate of the center
cy
y-coordinate of the center
width
The ellipse width
height
The ellipse height
color
The color of the ellipse. A color identifier created with
imagecolorallocate()
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example 1. imageellipse() example
<?php
// create a blank image
$image = imagecreatetruecolor(400, 300);
// fill the background color
$bg = imagecolorallocate($image, 0, 0, 0);
// choose a color for the ellipse
$col_ellipse = imagecolorallocate($image, 255, 255, 255);
// draw the ellipse
imageellipse($image, 200, 150, 300, 200, $col_ellipse);
// output the picture
header("Content-type: image/png");
imagepng($image);
?>
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The above example will output
something similar to: 
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Notes
Note:
This function requires GD 2.0.2 or later.