app-api/app/Models/Infos.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class Infos extends Model{

    protected $table='infos';

//    public function getContentsAttribute($value){
//        if(in_array($this->attributes['type'],[2,3,4,5,6])){
//            $value=json_decode($value);
//            if(in_array($this->attributes['type'],[4])){
//                $value->img = json_decode($value->img);
//            }
//        }
//        return $value;
//    }

}