fix(persister): added condition to check if entity values are array

[santoslluis]

I had the same issue here: #202
It was working well until I update the library.

Error context:

TypeError : Argument 2 passed to Fidry\AliceDataFixtures\Bridge\Doctrine\Persister\ObjectManagerPersister::getMetadata() must be an object, array given

I defined the relationship datatype as array and not as Collection or ArrayCollection.

    /**
     * @var Instance[]
     * @ORM\OneToMany(targetEntity=Instance::class, mappedBy="strategy")
     */
    public $instances = [];

It seems that if you didn't specify the datatype as Collection or ArrayCollection, the library loads it as array, and after in inner checks It only checks if it's a Collection, otherwise threats it as a Object, so it throws a TypeError.

What I did

I added a check if it is an array, and processed it like if it was a Collection.

For me it is working, hope it helps.

[theofidry]

Thanks for the PR! Would it be possible to have an anti-regression test as well? It is a sensitive part which has broke quite a few times already... I think you should find a couple of examples in the test suite already and running the tests should only be a matter of doing make test (hopefully). If you need more help there don't hesitate to ping me.