Sulu\Bundle\MediaBundle\Markup\MediaTag::validateAll PHP Method

    public function validateAll(array $attributesByTag, $locale)
    {
        $medias = $this->preloadMedias($attributesByTag, $locale);
        $result = [];
        foreach ($attributesByTag as $tag => $attributes) {
            if (!array_key_exists($attributes['id'], $medias)) {
                $result[$tag] = self::VALIDATE_REMOVED;
            }
        }
        return $result;
    }