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:
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| 5 | class ArrayUtilsTest extends PHPUnit_Framework_TestCase |
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| 6 | { |
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| 7 | /** @var string[] */ |
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| 8 | private $array; |
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| 10 | public function setUp() |
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| 15 | View Code Duplication | public function testRemoveFromArrayByIndex() |
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| 26 | public function testGetElementOnRemoveByIndex() |
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| 33 | View Code Duplication | public function testRemoveFromArray() |
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| 44 | } |
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| 45 |
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.