imagefilledpolygon
(PHP 3, PHP 4, PHP 5)
imagefilledpolygon -- Draw a filled polygon
Description
bool
imagefilledpolygon ( resource image, array points, int num_points, int color )
imagefilledpolygon() creates a filled polygon
in the given image.
Parameters
imageAn image resource, returned by one of the image creation functions,
such as imagecreatetruecolor().
points
An array containing the x and y
coordinates of the polygons vertices consecutively
num_points
Total number of vertices, which must be bigger than 3
color
A color identifier created with
imagecolorallocate()
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example 1. imagefilledpolygon() example
<?php
// set up array of points for polygon
$values = array(
40, 50, // Point 1 (x, y)
20, 240, // Point 2 (x, y)
60, 60, // Point 3 (x, y)
240, 20, // Point 4 (x, y)
50, 40, // Point 5 (x, y)
10, 10 // Point 6 (x, y)
);
// create image
$image = imagecreatetruecolor(250, 250);
// some colors
$bg = imagecolorallocate($image, 200, 200, 200);
$blue = imagecolorallocate($image, 0, 0, 255);
// draw a polygon
imagefilledpolygon($image, $values, 6, $blue);
// flush image
header('Content-type: image/png');
imagepng($image);
imagedestroy($image);
?>
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The above example will output
something similar to: 
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