The imagepolygon() function is used to draw a polygon.
Syntax
bool imagepolygon( $img, $points, $num_points, $color)
Parameters
- $img: Create a blank image with imagecreatetruecolor() function.
- $points: An array with vertices of polygon.
- $num_points: Total number of vertices in a polygon.
- $color: A color identifier created with imagecolorallocate() function.
Return
The imagepolygon() function returns TRUE on success or FALSE on failure.
Example
The following is an example:
<?php
$img = imagecreatetruecolor(400, 300);
$color = imagecolorallocate($img, 120, 160, 190);
$bgcolor = imagecolorallocate($img, 10, 100, 50);
imagefill($img, 0, 0, $bgcolor);
imagepolygon($img, array(
50, 50,
150, 200,
340, 200
),
3,
$color);
header('Content-type: image/png');
imagepng($img);
imagedestroy($img);
?>Output
The following is the output:
