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; |
||
6 | trait ExportStateTrait { |
||
7 | |||
8 | protected $export_form = 'Distilleries\Expendable\Http\Forms\Export\ExportForm'; |
||
9 | // ------------------------------------------------------------------------------------------------ |
||
10 | // ------------------------------------------------------------------------------------------------ |
||
11 | // ------------------------------------------------------------------------------------------------ |
||
12 | |||
13 | 4 | View Code Duplication | public function getExport() |
33 | |||
34 | // ------------------------------------------------------------------------------------------------ |
||
35 | |||
36 | 8 | public function postExport(Request $request) |
|
70 | } |
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: