How to create self referential relationship in laravel?

Question

I am new to Laravel. I Just want to create a self referential model. For example, I want to create a product category in which the field parent_id as same as pr

Answer 1

you can refer self, using $this

class Post extends Eloquent {

    function posts(){
        return $this->hasMany($this, 'parent_id');
    }
}