php - How to pass out of scope variables to anonymous function -

i new in php.

i want create function link this.

public static function cat_post($category, $limit, $top) {     $posts = post::wherehas('categories', function($q)         {             $q->where('name', 'like', $name);             $q->where('top', 'like', $top);          })->take($limit)->get(); } 

but got

undefined variable "name" 

please me. how create function....

use below:

public static function cat_post($category, $limit, $top) {     $posts = post::wherehas('categories', function($q) use ($name, $top)         {             $q->where('name', 'like', $name);             $q->where('top', 'like', $top);          })->take($limit)->get(); } 

have here