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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29 | abstract class StrictArrayCollection extends ArrayCollection |
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30 | { |
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31 | /** |
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32 | * {@inheritdoc} |
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33 | */ |
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34 | 37 | public function __construct(array $array = array()) |
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42 | |||
43 | /** |
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44 | * @param mixed $element |
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45 | * @return bool |
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46 | */ |
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47 | abstract public function checkValue($element); |
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48 | |||
49 | /** |
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50 | * {@inheritdoc} |
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51 | * @throws \InvalidArgumentException |
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52 | */ |
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53 | 32 | View Code Duplication | final public function set($key, $value) |
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62 | /** |
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63 | * {@inheritdoc} |
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64 | * @throws \InvalidArgumentException |
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65 | */ |
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66 | 4 | View Code Duplication | final public function add($value) |
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75 | /** |
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76 | * {@inheritdoc} |
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77 | * @throws \InvalidArgumentException |
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78 | */ |
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79 | final public function map(Closure $func) |
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96 | |||
97 | /** |
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98 | * 型を保証しないmap |
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99 | * |
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100 | * @param Closure $func |
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101 | * @return ArrayCollection |
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102 | */ |
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103 | final public function looseMap(Closure $func) |
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107 | } |