refactor: Ensure findById returns null instead of an array when ID is null
#1263
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…`null` Although the phpdocs states that the ID ($id) should not be `null`, in some cases, data may be retrieved from the database where the ID is set to `null`. When `null` is passed to the `find($id)` method, instead of returning null or a User object, it returns an empty array ([]). This leads to a type mismatch with the method signature, which expects a return type of `?User`, causing the error: ``` CodeIgniter\Shield\Models\UserModel::findById(): Return value must be of type ?CodeIgniter\Shield\Entities\User, array returned ``` This change ensures that the method always adheres to the expected return type (?User), preventing unexpected runtime errors.
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Description
Although the phpdocs states that the ID ($id) should not be
null, in some cases, data may be retrieved from the database where the ID is set tonull.When
nullis passed to thefind($id)method, instead of returning null or a User object, it returns an empty array ([]).This leads to a type mismatch with the method signature, which expects a return type of
?User, causing the error:CodeIgniter\Shield\Models\UserModel::findById(): Return value must be of type ?CodeIgniter\Shield\Entities\User, array returned
This change ensures that the method always adheres to the expected return type (?User), preventing unexpected runtime errors.
Checklist: