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 namespace BuildR\TestTools\Asserts; |
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| 16 | class IsConstantDefinedConstraint extends \PHPUnit_Framework_Constraint { |
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| 19 | * {@inheritDoc} |
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| 20 | */ |
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| 21 | 3 | View Code Duplication | protected function matches($other) { |
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| 35 | * {@inheritDoc} |
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| 36 | */ |
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| 37 | 2 | public function toString() { |
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| 41 | } |
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