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:
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21 | View Code Duplication | final class BreakPoint extends \Twig_Node |
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26 | 4 | public function compile(\Twig_Compiler $compiler) |
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