<?php namespace App\Models; use Illuminate\Database\Eloquent\Factories\HasFactory; use Illuminate\Database\Eloquent\Model; class Order extends Model { use HasFactory; public function product(){ return $this->belongsTo(Product::class); } public function quantity(){ return $this->belongsTo(Quantity::class); } public function invoice(){ return $this->belongsTo(Invoice::class); } }