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 Distilleries\Expendable\States; |
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8 | trait ImportStateTrait { |
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9 | |||
10 | protected $import_form = 'Distilleries\Expendable\Http\Forms\Import\ImportForm'; |
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11 | |||
12 | // ------------------------------------------------------------------------------------------------ |
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13 | // ------------------------------------------------------------------------------------------------ |
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14 | // ------------------------------------------------------------------------------------------------ |
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15 | |||
16 | 2 | View Code Duplication | public function getImport() |
36 | |||
37 | // ------------------------------------------------------------------------------------------------ |
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38 | |||
39 | 6 | public function postImport(Request $request) |
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66 | } |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: