Laravel 4 hasMany does not work

Question

I have an Eloquent model named Auction and it has cars in a one-to-many relationship. This is the function for retrieving the cars:

public function cars()
{
    return $this->hasMany('Car');
}

The car model is created and in the car table very row has a auction_id value. However, the function does not seem to work, when I do

$auction = Auction::find('1');
var_dump($auction);

I get as output:

protected 'relations' => 
array (size=0)
  empty

Shouldn't there be something?

$auction->cars

also returns null by the way.

machuga · Accepted Answer · 2013-05-22 11:58:26Z

7

Relations are not loaded until called unless eager loading is used, so that's why relations comes up empty. As for cars being null, if you'd like to paste the rest of your model and the full output of var_dump($auction) that would likely be helpful for debugging (as an aside, it should be Auction::find(1), since the ID is an integer). We are also available for help in #laravel on freenode.

answered May 22, 2013 at 11:58

machuga

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4 Comments

JackPoint Over a year ago

Do you realy need eager loading? I reported a bug for this on github.com/laravel/framework/issues/1362

machuga Over a year ago

Nope, I believe you misread my reply. I said "Relations are not loaded until called unless eager loading is used", because relations are lazily loaded. This means that the "relations" property would be empty on load unless you have it eager loaded. Once you call the relationship it will be loaded and then be visible in the "relations" property.

machuga Over a year ago

JackPoint, please come into #laravel if you're having issues with this like you have in your open issue. This is likely a bug in your configuration, since the same code will work for myself and others.

Alexander Cogneau Over a year ago

It had to be an integer in the find method, thanks for pointing that out!

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