Shaves pixels from the image edges. It allocates the memory necessary for the new Image structure and returns a pointer to the new image.
function shaveImage($image_path)
{
    $imagick = new \Imagick(realpath($image_path));
    $imagick->shaveImage(100, 50);
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}