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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15 | Container, ServiceProviderInterface |
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16 | }; |
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17 | use Psr\Cache\CacheItemPoolInterface as PsrCacheItemPoolInterface; |
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18 | |||
19 | /** |
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20 | * Cache service provider |
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21 | */ |
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22 | class CacheServiceProvider implements ServiceProviderInterface |
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23 | { |
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24 | /** |
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25 | * Registers the service provider with a DI container. |
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26 | * |
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27 | * @param Container $container The DI container. |
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28 | * |
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29 | * @return void |
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30 | */ |
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31 | 1 | public function register(Container $container) |
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38 | |||
39 | /** |
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40 | * Get the `cache` service |
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41 | * |
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42 | * @param Container $container The DI container. |
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43 | * |
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44 | * @return PsrCacheItemPoolInterface |
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45 | * |
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46 | * @throws \InvalidArgumentException |
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47 | */ |
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48 | 6 | public function getCacheService(Container $container) : PsrCacheItemPoolInterface |
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93 | } |
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94 |