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 Bedard\Shop\Updates; |
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| 7 | View Code Duplication | class CreatePromotionsTable extends Migration |
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| 8 | { |
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| 9 | public function up() |
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| 17 | |||
| 18 | public function down() |
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| 22 | } |
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| 23 |