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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| 7 | class DataslangApi { |
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| 8 | |||
| 9 | const BASE_URI = 'http://api.dataslang.com'; |
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| 10 | |||
| 11 | private $client = null; |
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| 12 | private $settings = array(); |
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| 13 | private $timeout = 7; |
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| 14 | |||
| 15 | View Code Duplication | public function validate($xml, $xsd){ |
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| 37 | |||
| 38 | View Code Duplication | public function transformToXml($xml, $xsl, $dest_path){ |
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| 61 | |||
| 62 | View Code Duplication | public function transformToHtml($xml, $xsl, $dest_path){ |
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| 85 | |||
| 86 | public function setTimeout($timeout){ |
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| 89 | |||
| 90 | public function getTimeout(){ |
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| 93 | |||
| 94 | public function getBaseUri(){ |
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| 97 | |||
| 98 | private function getClient(){ |
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| 109 | } |
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| 110 |
This check marks private properties in classes that are never used. Those properties can be removed.