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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| 25 | class Commit |
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| 26 | { |
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| 27 | /** |
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| 28 | * @var string 7 characters commit hash |
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| 29 | */ |
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| 30 | protected $_hash; |
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| 31 | |||
| 32 | /** |
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| 33 | * @var string string representation of commit |
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| 34 | */ |
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| 35 | protected $_label; |
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| 36 | protected $_comments = []; |
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| 37 | |||
| 38 | protected $_date; |
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| 39 | protected $_author; |
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| 40 | protected $_subject; |
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| 41 | |||
| 42 | 3 | public function __construct($hash, $label = null, array $comments = []) |
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| 48 | |||
| 49 | public function set(Commit $commit) |
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| 55 | |||
| 56 | 3 | public function setHash($hash) |
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| 60 | |||
| 61 | 3 | public function getHash() |
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| 65 | |||
| 66 | 3 | public function setLabel($label) |
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| 67 | { |
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| 68 | 3 | if ($label) { |
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| 69 | 3 | $this->_label = $label; |
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| 70 | 3 | if (preg_match('/^(\d{4}-\d{2}-\d{2})\s*(.*?)\s*\[(\S*?)\]$/', $label, $m) || |
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| 71 | 3 | preg_match('/^(\d{4}-\d{2}-\d{2})\s*(.*?)\s*\((\S*?)\)$/', $label, $m)) { |
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| 72 | 3 | $this->setDate($m[1]); |
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| 73 | 3 | $this->setSubject($m[2]); |
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| 74 | 3 | $this->setAuthor($m[3]); |
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| 75 | } |
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| 76 | } |
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| 77 | 3 | } |
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| 78 | |||
| 79 | 3 | public function getLabel() |
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| 85 | |||
| 86 | 2 | public function addComment($comment) |
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| 90 | |||
| 91 | 3 | public function addComments(array $comments) |
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| 92 | { |
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| 93 | 3 | foreach ($comments as $comment) { |
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| 94 | 1 | $this->addComment($comment); |
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| 95 | } |
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| 96 | 3 | } |
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| 97 | |||
| 98 | 3 | public function setComments($comments) |
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| 103 | |||
| 104 | 3 | public function getComments() |
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| 108 | |||
| 109 | 3 | View Code Duplication | public function setDate($value) |
| 110 | { |
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| 111 | 3 | $timestamp = strtotime($value); |
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| 112 | 3 | if ($timestamp !== false) { |
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| 113 | 3 | $this->_date = $timestamp; |
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| 114 | } |
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| 115 | |||
| 116 | 3 | return $this; |
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| 117 | } |
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| 118 | |||
| 119 | 3 | public function getDate() |
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| 123 | |||
| 124 | 3 | public function setSubject($value) |
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| 130 | |||
| 131 | 3 | public function getSubject() |
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| 135 | |||
| 136 | 3 | public function setAuthor($value) |
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| 142 | |||
| 143 | 3 | public function getAuthor() |
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| 147 | } |
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| 148 |
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.