1 | <?php |
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17 | class PurchaseResponse extends AbstractResponse implements RedirectResponseInterface |
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18 | { |
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19 | protected $redirectUrl; |
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20 | |||
21 | 2 | public function __construct(RequestInterface $request, $data, $redirectUrl) |
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27 | |||
28 | 1 | public function isSuccessful() |
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32 | |||
33 | 1 | public function isRedirect() |
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37 | |||
38 | public function getRedirectUrl() |
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42 | |||
43 | 1 | public function getRedirectMethod() |
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47 | |||
48 | 1 | public function getRedirectData() |
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52 | } |
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53 |
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 implementation 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 interface: