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 |
||
19 | class ArticleController extends Controller |
||
20 | { |
||
21 | /** |
||
22 | * @param Request $request |
||
23 | * @param $page |
||
24 | * @Method({"GET", "POST"}) |
||
25 | * @Route("/articles/{pager}/{page}", name="articlesAdmin", |
||
26 | * defaults={"pager": "page", "page": 1}, |
||
27 | * requirements={ |
||
28 | * "pager": "page", |
||
29 | * "page": "[1-9]\d*", |
||
30 | * }) |
||
31 | * @Template("AppBundle:admin:articles.html.twig") |
||
32 | * |
||
33 | * @return Response |
||
34 | */ |
||
35 | View Code Duplication | public function roleAction(Request $request, $page = 1) |
|
45 | |||
46 | /** |
||
47 | * @param $id |
||
48 | * @param $action |
||
49 | * @param Request $request |
||
50 | * @Route("/article/{action}/{id}", name="articleEdit", |
||
51 | * defaults={"id": 0}, |
||
52 | * requirements={ |
||
53 | * "action": "new|edit", |
||
54 | * "id": "\d+" |
||
55 | * }) |
||
56 | * @Method({"GET", "POST"}) |
||
57 | * @Template("AppBundle:admin/form:article.html.twig") |
||
58 | * |
||
59 | * @return Response |
||
60 | */ |
||
61 | public function editArticleAction($id, $action, Request $request) |
||
96 | |||
97 | /** |
||
98 | * @param $id |
||
99 | * @param Request $request |
||
100 | * @Route("/article/delete/{id}", name="articleDelete", |
||
101 | * requirements={ |
||
102 | * "id": "\d+" |
||
103 | * }) |
||
104 | * @Method({"GET", "POST"}) |
||
105 | * @Template("AppBundle:admin/form:delete.html.twig") |
||
106 | * |
||
107 | * @return Response |
||
108 | */ |
||
109 | public function deleteArticleAction($id, Request $request) |
||
146 | |||
147 | } |
||
148 |
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.