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 | class CRLDistributionPointsExtension extends Extension implements \Countable, |
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16 | \IteratorAggregate |
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17 | { |
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18 | /** |
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19 | * Distribution points. |
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20 | * |
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21 | * @var DistributionPoint[] $_distributionPoints |
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22 | */ |
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23 | protected $_distributionPoints; |
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24 | |||
25 | /** |
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26 | * Constructor |
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27 | * |
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28 | * @param bool $critical |
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29 | * @param DistributionPoint ...$distribution_points |
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30 | */ |
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31 | 7 | public function __construct($critical, |
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36 | |||
37 | 7 | View Code Duplication | protected static function _fromDER($data, $critical) { |
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51 | 4 | View Code Duplication | protected function _valueASN1() { |
61 | |||
62 | /** |
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63 | * Get distribution points. |
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64 | * |
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65 | * @return DistributionPoint[] |
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66 | */ |
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67 | 1 | public function distributionPoints() { |
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70 | |||
71 | /** |
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72 | * Get the number of distribution points. |
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73 | * |
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74 | * @see Countable::count() |
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75 | * @return int |
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76 | */ |
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77 | 1 | public function count() { |
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80 | |||
81 | /** |
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82 | * Get iterator for distribution points. |
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83 | * |
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84 | * @see IteratorAggregate::getIterator() |
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85 | * @return \ArrayIterator |
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86 | */ |
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87 | 3 | public function getIterator() { |
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90 | } |
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91 |