Tags manipulation using Select2 in single field

Tutorials

select2, tags, tags-delete, tags-manipulation, tags code, multiple tags

```php
// check if Tags extis
 
            if (isset($_POST['Tags'])) {  // Tags exits  $tagsList = explode(',', $_POST['Tags']);  // get the array of tags  $currentTagsList = array(); // track to have currently selected tags used for deleted 
 
                            foreach ($tagsList as $TagValue) {
 
                                // check if exist in tag table or notcurrent tags 
 
                            $previousTagsList2 = Feedback::getAssignedTagsIDs($feedbackModel->id);
 
                            foreach ($tagsList as $TagValue) {  // added to list  $isExists = Tags::model()->find('name=:name', array(':name' => $TagValue));  if (count($isExists) > 0) {   // if exists just assign
 
                                    $tag = new FeedbackTags;
 
                                    $tag->feedback_id = $feedback_id;
 
                                    $tag->tag_id = update currentTagList
 
                                    $currentTagsList[]=$isExists->id;     $tag->save();} else { $currentTagsList[]=$tag->tag_id;  // add to array  for track
 
                                } else {   // if not exist add to tag table and then to tags// add new and update currentTagList $tagNew = new Tags; $tagNew->name = $TagValue; if ($tagNew->save()) { //  now add to feedbacktags table$currentTagsList[]=$tagNew->id; }
 
$tag2 = new FeedbackTags;
 
   }
 
$tag2->feedback_id = $feedback_id;
 
                                        $tag2->tag_id = $tagNew->id;
 
                                        $tag2->save();
 
                                        $currentTagsList[]=$tag->tag_id             }
 
                            
 
                             $deletedList=array_diff($previousTagsList2, $currentTagsList); // deleted list
 
                             $addedList=array_diff($currentTagsList, $previousTagsList2);  // add to array  for track
 
                                    }
 
                ed list
 
                    
 
                            foreach ($addedList as $add) {  // added new items
 
 }
 
$tag }
 

 
                }
 
                        $previousTagsList = Feedback::getAssignedTagsIDs($feedbackModel->id); // get all exist in feedbackTags table
 
                        $deletedList=array_diff($previousTagsList, $currentTagsList); // difference
 
                        if(count($deletedList)){
 
                            foreach ($deletedList as $item){
 
                                // just delete form feedbackTags table NOT from Tags , if you want you can delete
 
$tag2->feedback_id = $feedback_id;
 
                                        $tag2->tag_id = $add;
 
                                        $tag2->save();
 
                            }
 
                                foreach ($deletedList as $deleted) {  // deleted list if exits
 
     FeedbackTags::model()->find('tag_id='.$ideletemd .' AND feedback_id='.$feedbackModel->id)->delete();     }     }
}
```