FluidTYPO3\Vhs\ViewHelpers\Resource\ImageViewHelper::render PHP Method

    public function render()
    {
        $files = $this->getFiles();
        $images = $this->preprocessImages($files, true);
        if (true === empty($images)) {
            return null;
        }
        $info = [];
        $tags = [];
        foreach ($images as &$image) {
            $source = $this->preprocessSourceUri($image['source']);
            $width = $image['info'][0];
            $height = $image['info'][1];
            $alt = $this->arguments['alt'];
            if (true === empty($alt)) {
                $alt = $image['file']['alternative'];
            }
            $this->tag->addAttribute('src', $source);
            $this->tag->addAttribute('width', $width);
            $this->tag->addAttribute('height', $height);
            $this->tag->addAttribute('alt', $alt);
            $tag = $this->tag->render();
            $image['tag'] = $tag;
            $tags[] = $tag;
            $info[] = ['source' => $source, 'width' => $width, 'height' => $height, 'tag' => $tag];
        }
        $as = $this->arguments['as'];
        if (true === empty($as)) {
            return implode('', $tags);
        }
        return $this->renderChildrenWithVariableOrReturnInput($info);
    }