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:
1 | <?php |
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10 | class EditableOption extends DataObject |
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11 | { |
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12 | |||
13 | private static $default_sort = "Sort"; |
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14 | |||
15 | private static $db = array( |
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16 | "Name" => "Varchar(255)", |
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17 | "Title" => "Varchar(255)", |
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18 | "Default" => "Boolean", |
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19 | "Sort" => "Int", |
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20 | "Value" => "Varchar(255)", |
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21 | ); |
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22 | |||
23 | private static $has_one = array( |
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24 | "Parent" => "EditableMultipleOptionField", |
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25 | ); |
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26 | |||
27 | private static $extensions = array( |
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28 | "Versioned('Stage', 'Live')" |
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29 | ); |
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30 | |||
31 | private static $summary_fields = array( |
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32 | 'Title', |
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33 | 'Default' |
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34 | ); |
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35 | |||
36 | protected static $allow_empty_values = false; |
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37 | |||
38 | /** |
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39 | * Returns whether to allow empty values or not. |
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40 | * |
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41 | * @return boolean |
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42 | */ |
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43 | 2 | public static function allow_empty_values() |
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47 | |||
48 | /** |
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49 | * Set whether to allow empty values. |
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50 | * |
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51 | * @param boolean $allow |
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52 | */ |
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53 | public static function set_allow_empty_values($allow) |
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57 | |||
58 | /** |
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59 | * @param Member $member |
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60 | * |
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61 | * @return boolean |
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62 | */ |
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63 | public function canEdit($member = null) |
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67 | |||
68 | /** |
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69 | * @param Member $member |
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70 | * |
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71 | * @return boolean |
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72 | */ |
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73 | public function canDelete($member = null) |
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77 | |||
78 | /** |
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79 | * @deprecated 5.0 Use "$Title.XML" in templates instead |
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80 | * @return string |
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81 | */ |
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82 | public function getEscapedTitle() |
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86 | |||
87 | /** |
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88 | * @param Member $member |
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89 | * @return bool |
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90 | */ |
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91 | public function canView($member = null) |
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95 | |||
96 | /** |
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97 | * Return whether a user can create an object of this type |
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98 | * |
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99 | * @param Member $member |
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100 | * @param array $context Virtual parameter to allow context to be passed in to check |
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101 | * @return bool |
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102 | */ |
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103 | View Code Duplication | public function canCreate($member = null) |
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114 | |||
115 | /** |
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116 | * Helper method to check the parent for this object |
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117 | * |
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118 | * @param array $args List of arguments passed to canCreate |
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119 | * @return DataObject Some parent dataobject to inherit permissions from |
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120 | */ |
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121 | View Code Duplication | protected function getCanCreateContext($args) |
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135 | |||
136 | /** |
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137 | * @param Member $member |
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138 | * @return bool |
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139 | */ |
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140 | public function canPublish($member = null) |
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144 | |||
145 | /** |
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146 | * @param Member $member |
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147 | * @return bool |
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148 | */ |
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149 | public function canUnpublish($member = null) |
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153 | |||
154 | /** |
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155 | * Fetches a value for $this->Value. If empty values are not allowed, |
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156 | * then this will return the title in the case of an empty value. |
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157 | * |
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158 | * @return string |
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159 | */ |
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160 | 17 | public function getValue() |
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168 | |||
169 | 39 | protected function onBeforeWrite() |
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177 | } |
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178 |
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.