| 1 | <?php |
||
| 19 | class Keys implements JWKSetSourceInterface |
||
| 20 | { |
||
| 21 | /** |
||
| 22 | * {@inheritdoc} |
||
| 23 | */ |
||
| 24 | public function create(ContainerBuilder $container, $id, array $config) |
||
| 33 | |||
| 34 | /** |
||
| 35 | * {@inheritdoc} |
||
| 36 | */ |
||
| 37 | public function getKeySet() |
||
| 41 | |||
| 42 | /** |
||
| 43 | * {@inheritdoc} |
||
| 44 | */ |
||
| 45 | public function addConfiguration(NodeDefinition $node) |
||
| 56 | } |
||
| 57 |
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different sub-classes of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the parent class: