nstdio / SVGMagick

    protected static function filterWithOptions(ContainerInterface $container, array $options)

    {

        if ($container instanceof SVGElement) {

            $defs = $container->getSVG()->getFirstChild();

        } elseif ($container instanceof SVG) {

            $defs = $container->getFirstChild();

        } else {

            $defs = new Defs($container);

        }

        $filter = new Filter($defs, $options['id']);

        unset($options['id']);

        KeyValueWriter::apply($filter->getElement(), $options);

    public function __construct(ElementInterface $parent, $id = null)

    {

        if ($parent instanceof SVG) {

            $parent = $parent->getFirstChild();

        } elseif ($parent instanceof SVGElement) {

            $parent = $parent->getSVG()->getFirstChild();

        }

        parent::__construct($parent);