<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

use App\Question;

class Comment extends Model
{
    protected $fillable = ["content"];


	public function target() {
		$type = '';
		if($this->target_type == "question") {
			$type = 'App\Question';
		}
		return $this->hasOne($type,'id','target_id');
	}
}