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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9 | class SilverstripeColumnsPageControllerExtension extends Extension |
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10 | { |
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12 | /** |
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13 | * @return bool |
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14 | */ |
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15 | View Code Duplication | function HasFullWidthContent() |
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28 | /** |
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29 | * @return bool |
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30 | */ |
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31 | function HasSideBar() |
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51 | |||
52 | /** |
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53 | * @param boolean $asClassName |
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54 | * |
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55 | * @return string | int |
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56 | */ |
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57 | function NumberOfColumns($asClassName = true) |
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83 | /** |
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84 | * returns a data list of items that have been edited last - up to one day ago. |
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85 | * This ensures that we do not show stuff we have just fixed up... |
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86 | * @return DataList |
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87 | */ |
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88 | function RecentlyUpdated($limit = 5) |
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107 | /** |
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108 | * @return null | DataList |
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109 | */ |
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110 | function InThisSection() |
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120 | |||
121 | /** |
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122 | * Siblings |
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123 | * @return null | DataList |
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124 | */ |
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125 | function AlsoSee() |
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139 | |||
140 | } |
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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.