public function scopeBrand($query, $id)
{
$brands = Brand::lists('name', 'id');
if ($id != "" && isset($brands[$id])) {
$query->where('brand_id', $id);
}
}
/**
* Show the form for editing the specified resource.
*
* @param int $id
* @return \Illuminate\Http\Response
*/
public function edit($id)
{
$category = $this->categories->findOrFail($id);
$items = $this->categories->lists('name', 'id')->toarray();
return \View::make('admin.categories.update', compact('category', 'items'));
}