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 | |||
| 12 | private static $default_sort = "Sort"; |
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| 13 | |||
| 14 | private static $db = array( |
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| 15 | "Name" => "Varchar(255)", |
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| 16 | "Title" => "Varchar(255)", |
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| 17 | "Default" => "Boolean", |
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| 18 | "Sort" => "Int", |
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| 19 | "Value" => "Varchar(255)", |
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| 20 | ); |
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| 21 | |||
| 22 | private static $has_one = array( |
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| 23 | "Parent" => "EditableMultipleOptionField", |
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| 24 | ); |
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| 25 | |||
| 26 | private static $extensions = array( |
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| 27 | "Versioned('Stage', 'Live')" |
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| 28 | ); |
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| 29 | |||
| 30 | private static $summary_fields = array( |
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| 31 | 'Title', |
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| 32 | 'Default' |
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| 33 | ); |
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| 34 | |||
| 35 | protected static $allow_empty_values = false; |
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| 36 | |||
| 37 | /** |
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| 38 | * Returns whether to allow empty values or not. |
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| 39 | * |
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| 40 | * @return boolean |
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| 41 | */ |
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| 42 | public static function allow_empty_values() { |
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| 45 | |||
| 46 | /** |
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| 47 | * Set whether to allow empty values. |
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| 48 | * |
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| 49 | * @param boolean $allow |
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| 50 | */ |
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| 51 | public static function set_allow_empty_values($allow) { |
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| 54 | |||
| 55 | /** |
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| 56 | * @param Member $member |
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| 57 | * |
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| 58 | * @return boolean |
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| 59 | */ |
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| 60 | public function canEdit($member = null) { |
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| 63 | |||
| 64 | /** |
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| 65 | * @param Member $member |
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| 66 | * |
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| 67 | * @return boolean |
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| 68 | */ |
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| 69 | public function canDelete($member = null) { |
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| 72 | |||
| 73 | public function getEscapedTitle() { |
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| 76 | |||
| 77 | /** |
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| 78 | * @param Member $member |
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| 79 | * @return bool |
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| 80 | */ |
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| 81 | public function canView($member = null) { |
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| 84 | |||
| 85 | /** |
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| 86 | * Return whether a user can create an object of this type |
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| 87 | * |
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| 88 | * @param Member $member |
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| 89 | * @param array $context Virtual parameter to allow context to be passed in to check |
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| 90 | * @return bool |
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| 91 | */ |
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| 92 | View Code Duplication | public function canCreate($member = null) { |
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| 102 | |||
| 103 | /** |
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| 104 | * Helper method to check the parent for this object |
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| 105 | * |
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| 106 | * @param array $args List of arguments passed to canCreate |
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| 107 | * @return DataObject Some parent dataobject to inherit permissions from |
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| 108 | */ |
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| 109 | View Code Duplication | protected function getCanCreateContext($args) { |
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| 122 | |||
| 123 | /** |
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| 124 | * @param Member $member |
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| 125 | * @return bool |
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| 126 | */ |
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| 127 | public function canPublish($member = null) { |
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| 130 | |||
| 131 | /** |
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| 132 | * @param Member $member |
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| 133 | * @return bool |
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| 134 | */ |
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| 135 | public function canUnpublish($member = null) { |
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| 138 | |||
| 139 | /** |
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| 140 | * Fetches a value for $this->Value. If empty values are not allowed, |
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| 141 | * then this will return the title in the case of an empty value. |
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| 142 | * |
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| 143 | * @return string |
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| 144 | */ |
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| 145 | public function getValue() |
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| 153 | } |
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| 154 |
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.