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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9 | class MailAPI extends API |
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10 | { |
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11 | /** |
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12 | * @var Type\FolderIdType |
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13 | */ |
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14 | protected $folderId; |
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15 | |||
16 | /** |
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17 | * @return Type\FolderIdType |
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18 | */ |
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19 | 6 | public function getFolderId() |
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27 | |||
28 | /** |
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29 | * @param Type\FolderIdType $folderId |
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30 | */ |
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31 | 1 | public function setFolderId($folderId) |
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35 | |||
36 | /** |
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37 | * @param string $displayName |
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38 | * @param string|Type\FolderIdType $parentFolder |
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39 | */ |
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40 | 6 | public function pickMailFolder($displayName = null, $parentFolder = 'inbox') |
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50 | |||
51 | 1 | protected function formatRestrictions($restrictions) |
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70 | |||
71 | /** |
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72 | * Get all mail items in the inbox |
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73 | * |
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74 | * @param Type\FolderIdType |
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75 | * @param array $options |
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76 | * @return Type\MessageType[] |
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77 | */ |
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78 | 6 | public function getMailItems($folderId = null, $options = array()) |
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103 | |||
104 | /** |
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105 | * @param Type\FolderIdType $folderId |
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106 | * @param array $options |
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107 | * @return Type\MessageType[] |
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108 | */ |
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109 | 1 | public function getUnreadMailItems($folderId = null, $options = array()) |
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123 | |||
124 | /** |
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125 | * Updates a calendar item with changes |
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126 | * |
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127 | * @param $itemId Type\ItemIdType|Type |
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128 | * @param $changes |
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129 | * @return Type\MessageType[] |
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130 | */ |
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131 | 1 | View Code Duplication | public function updateMailItem($itemId, $changes) |
149 | |||
150 | /** |
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151 | * @param $mailItem Type\MessageType|Type\ItemIdType |
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152 | * @param $isRead boolean |
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153 | */ |
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154 | 1 | public function markMailAsRead($mailItem, $isRead = true) |
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164 | |||
165 | 3 | public function sendMail(MessageType $message, $options = array()) |
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182 | |||
183 | public function getAttachment(Type\AttachmentIdType $attachmentId) |
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197 | } |
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198 |
If you implement
__call
and 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
__call
is implemented by a parent class and only the child class knows which methods exist: