| 1 | <?php |
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| 12 | class JsonLdResourceNodeSerializer extends BasicResourceNodeSerializer { |
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| 13 | |||
| 14 | 9 | public function __construct() { |
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| 17 | |||
| 18 | /** |
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| 19 | * @see AbstractResourceNodeSerializer::getAdditionalSerialization |
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| 20 | * @param JsonLdResourceNode $node |
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| 21 | */ |
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| 22 | 1 | protected function getAdditionalSerialization(ResourceNode $node) { |
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| 27 | } |
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| 28 |
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: