Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 12 | class SubmitButtonTest extends PHPUnitTestCase |
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| 13 | { |
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| 14 | /** |
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| 15 | * @param string[] $methods |
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| 16 | * @return MockObject|SubmitButton |
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| 17 | */ |
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| 18 | protected function buildMock(array $methods = null) |
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| 29 | public function testGetOutputWithJs() |
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| 39 | View Code Duplication | public function testGetOutputWithoutJs() |
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| 50 | } |
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| 51 |
It seems like the method you are trying to call exists only in some of the possible types.
Let’s take a look at an example:
Available Fixes
Add an additional type-check:
Only allow a single type to be passed if the variable comes from a parameter: