1 | <?php |
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13 | class PagesImporterCli { |
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14 | |||
15 | /** |
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16 | * @var InputInterface |
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17 | */ |
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18 | private $input; |
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19 | |||
20 | /** |
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21 | * @var OutputInterface |
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22 | */ |
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23 | private $output; |
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24 | |||
25 | /** |
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26 | * @var ServiceFactory |
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27 | */ |
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28 | private $factory = null; |
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29 | |||
30 | /** |
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31 | * @var callable|null |
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32 | */ |
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33 | private $onAborted; |
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34 | |||
35 | public function __construct( InputInterface $input, OutputInterface $output, |
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43 | |||
44 | public function runImport( \Iterator $entityPageIterator ) { |
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56 | |||
57 | private function newReporter() { |
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62 | |||
63 | |||
64 | } |
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65 |
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: