Laravel: unable to retrieve one to many camelCase method - php

Question

I am trying to retrieve the inverse side of the one to many relationship where the method is camelCase. i.e
Owning Class: OneToMany
class Brand extends Model
{
public function products()
{
return $this->hasMany(Product::class);
}
}
Owned Class
class Product extends Model
{
public function MyBrand()
{
return $this->belongsTo(Brand::class);
}
}
retrieve the inverse related model like this:
$product = Product::find(1);
$brand = $product->my_brand;
dd($brand->name);
Error, Trying to get property 'name' of non-object
I also tried this:
$brand = $product->myBrand;
it did not work.
however, if i make my method like below it works:
public function brand()
{
return $this->belongsTo(Brand::class);
}
question is : how to make it work when the method is in CameCase ?

Answer 1

Try this,
public function my_brand()
{
return $this->belongsTo(Brand::class);
}
And call this relation as,
$product = Product::find(1);
$brand = $product->my_brand;
dd($brand->name);

Answer 2

You need to change, method name in brand(), because Eloquent will automatically determine the proper foreign key column in the Brands table.
https://laravel.com/docs/7.x/eloquent-relationships#one-to-many
If you want to keep it MyBrand() you need to specify foreign key:
public function MyBrand()
{
return $this->belongsTo(Brand::class,'product_id');
}

Answer 3

Specify it's foreign key in relationship
class Product extends Model
{
public function MyBrand()
{
return $this->belongsTo(Brand::class,'brand_id');
//brand_id is foreign key in your product table
}
}
$product = Product::find(1)->with('MyBrand'); //But it will be good to eager load it
$product->MyBrand->name; //It will definitely return name now