如何将范围变量传递给匿名函数

Question

I am new in PHP.

I want to create a 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 i got

Undefined variable "name"

Please help me. How to create this function....

Answer 1

use as 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 a look here