(PHP 4, PHP 5, PHP 7, PHP 8)
imagearc — Draws an arc
$image,$center_x,$center_y,$width,$height,$start_angle,$end_angle,$colorimagearc() draws an arc of circle centered at the given coordinates.
imageA GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor().
center_xx-coordinate of the center.
center_yy-coordinate of the center.
widthThe arc width.
heightThe arc height.
start_angleThe arc start angle, in degrees.
end_angleThe arc end angle, in degrees. 0° is located at the three-o'clock position, and the arc is drawn clockwise.
colorA color identifier created with imagecolorallocate().
| Version | Description |
|---|---|
| 8.0.0 |
image expects a GdImage
instance now; previously, a valid gd resource was expected.
|
Example #1 Drawing a circle with imagearc()
<?php
// create a 200*200 image
$img = imagecreatetruecolor(200, 200);
// allocate some colors
$white = imagecolorallocate($img, 255, 255, 255);
$red = imagecolorallocate($img, 255, 0, 0);
$green = imagecolorallocate($img, 0, 255, 0);
$blue = imagecolorallocate($img, 0, 0, 255);
// draw the head
imagearc($img, 100, 100, 200, 200, 0, 360, $white);
// mouth
imagearc($img, 100, 100, 150, 150, 25, 155, $red);
// left and then the right eye
imagearc($img, 60, 75, 50, 50, 0, 360, $green);
imagearc($img, 140, 75, 50, 50, 0, 360, $blue);
// output image in the browser
header("Content-type: image/png");
imagepng($img);
?>The above example will output something similar to: