public function getImageTag()
 {
     return ImageTag::get()->sort('Title', 'ASC');
 }
 public static function insertImageTagTb($results)
 {
     if ($results['data'] != null) {
         foreach ($results['data'] as $item) {
             $imagetag = new ImageTag();
             $link_url = $item['link'];
             $tag_names = $item['tags'];
             $count_tag = sizeof($tag_names);
             $i = 0;
             while ($i < $count_tag) {
                 $image = Image::where('link_url', $link_url)->first();
                 $tag = Tag::where('tag', $tag_names[$i])->first();
                 if (isset($image->image_id) && isset($tag->tag_id)) {
                     $check_id1 = ImageTag::where('image_id', $image->image_id)->first();
                     $check_id2 = ImageTag::where('tag_id', $tag->tag_id)->first();
                     if ($check_id1 == null && $check_id2 == null) {
                         ImageTag::insert(array('image_id' => $image->image_id, 'tag_id' => $tag->tag_id));
                     } else {
                         ImageTag::insert(array('image_id' => $image->image_id, 'tag_id' => $tag->tag_id));
                     }
                 } else {
                 }
                 $i++;
             }
         }
     }
 }