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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| 11 | class MockClassMultipleNamespace  | 
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| 12 | { | 
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| 13 | /**  | 
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| 14 | * @desc MethodParser to logging  | 
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| 15 | * @param string $message  | 
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| 16 | */  | 
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| 17 | private function _toLog($message)  | 
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| 21 | |||
| 22 | /**  | 
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| 23 | * @desc to sum two integers  | 
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| 24 | * @param int $a  | 
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| 25 | * @param int $b  | 
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| 26 | * @return int  | 
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| 27 | */  | 
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| 28 | public function sum($a, $b)  | 
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| 32 | |||
| 33 | /**  | 
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| 34 | * @param object $object1 @string=name @int=id  | 
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| 35 | * @return object $return @string=new_name @int=new_id  | 
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| 36 | */  | 
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| 37 | View Code Duplication | public function arrayTest($object1)  | 
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| 44 | }  | 
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| 45 |