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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13 | class location_href implements test_interface |
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14 | { |
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15 | /** |
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16 | * {@inheritDoc} |
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17 | * |
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18 | * Javascript redirect using window.location.href test. |
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19 | * This test checks for the presence of redirect in an ad code. |
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20 | * There is no reason why ad would redirect user to another page, |
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21 | * so it's categorized as warning. |
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22 | */ |
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23 | 13 | View Code Duplication | public function run($ad_code) |
35 | } |
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.