Change post
@include('admin.errors')Img format...
{{Form::select('category_id',
$categories,
$post->getCategoryID(),
['class' => 'form-control select2'])
}}
{{Form::select('tags[]',
$tags,
$selectedTags,
['class' => 'form-control select2', 'multiple'=>'multiple', 'data-placeholder'=>'Pick up Tags'])
}}