PHP imagearc – Draw Elliptical Arc |

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PHP imagearc - Draw Elliptical Arc

PHP Image Processing

imagearc — Used to draw an elliptical arc.

Syntax

bool imagearc ( resource $image , int $cx , int $cy , int $w , int $h , int $s , int $e , int $color )

imagearc() draws an elliptical arc on the image represented by $image, with the center at ($cx, $cy) (the top-left corner of the image is 0, 0).

$w and $h specify the width and height of the ellipse, respectively. The start and end points are specified by the $s and $e parameters in degrees. 0° is at the 3 o'clock position, and the arc is drawn clockwise.

Example

<?php
$img = imagecreatetruecolor(200, 200); // Create a 200x200 image
$white = imagecolorallocate($img, 255, 255, 255); // Color

// Draw an elliptical arc
imagearc($img, 140, 75, 50, 50, 0, 360, $white);

// Output the image in the browser
header("Content-type: image/png");
imagepng($img);
imagedestroy($img);
?>

The output image of the above example is as follows:

PHP Image Processing