Background color
Stroke color
Fill color
Start X
Start Y
End X
End Y
Start angle
End angle
function arc($strokeColor, $fillColor, $backgroundColor, $startX, $startY, $endX, $endY, $startAngle, $endAngle)
    //Create a ImagickDraw object to draw into.
    $draw = new \ImagickDraw();

    $draw->arc($startX, $startY, $endX, $endY, $startAngle, $endAngle);

    //Create an image object which the draw commands can be rendered into
    $image = new \Imagick();
    $image->newImage(IMAGE_WIDTH, IMAGE_HEIGHT, $backgroundColor);

    //Render the draw commands in the ImagickDraw object
    //into the image.

    //Send the image to the browser
    header("Content-Type: image/png");
    echo $image->getImageBlob();