Pimcore\Model\Asset\Image::isAnimated PHP Method

    public function isAnimated()
    {
        $isAnimated = false;
        switch ($this->getMimetype()) {
            case 'image/gif':
                $isAnimated = $this->isAnimatedGif();
                break;
            case 'image/png':
                $isAnimated = $this->isAnimatedPng();
                break;
            default:
                break;
        }
        return $isAnimated;
    }