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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| 8 | class ContactsAPI extends API |
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| 9 | { |
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| 10 | /** |
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| 11 | * @var Type\FolderIdType |
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| 12 | */ |
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| 13 | protected $folderId; |
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| 14 | |||
| 15 | /** |
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| 16 | * @return Type\FolderIdType |
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| 17 | */ |
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| 18 | public function getFolderId() |
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| 26 | |||
| 27 | /** |
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| 28 | * @param Type\FolderIdType $folderId |
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| 29 | */ |
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| 30 | public function setFolderId($folderId) |
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| 34 | |||
| 35 | /** |
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| 36 | * @param Type\FolderIdType $folderId |
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| 37 | * @param array $options |
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| 38 | * @return Type\ContactItemType[] |
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| 39 | */ |
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| 40 | public function getContacts($folderId = null, $options = array()) |
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| 62 | |||
| 63 | /** |
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| 64 | * @param $contacts |
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| 65 | * @param array $options |
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| 66 | * @return Type\ItemIdType[] |
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| 67 | */ |
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| 68 | View Code Duplication | public function createContacts($contacts, $options = array()) |
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| 86 | |||
| 87 | View Code Duplication | public function updateContactItem(Type\ItemIdType $itemId, $changes) |
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| 109 | } |
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| 110 |
If you implement
__calland you know which methods are available, you can improve IDE auto-completion and static analysis by adding a @method annotation to the class.This is often the case, when
__callis implemented by a parent class and only the child class knows which methods exist: