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 |
||
10 | View Code Duplication | class UserController extends BaseController |
|
11 | { |
||
12 | /** |
||
13 | * @param \Slim\Container $container |
||
14 | */ |
||
15 | public function __construct(\Slim\Container $container) |
||
20 | |||
21 | /** |
||
22 | * Get all users. |
||
23 | * |
||
24 | * @param Request $request |
||
25 | * @param Response $response |
||
26 | * @param array $args |
||
27 | * @return array |
||
28 | */ |
||
29 | public function getUsers($request, $response, $args) |
||
36 | |||
37 | /** |
||
38 | * Get one user by id. |
||
39 | * |
||
40 | * @param Request $request |
||
41 | * @param Response $response |
||
42 | * @param array $args |
||
43 | * @return array |
||
44 | */ |
||
45 | public function getUser($request, $response, $args) |
||
56 | |||
57 | /** |
||
58 | * Search users by name. |
||
59 | * |
||
60 | * @param Request $request |
||
61 | * @param Response $response |
||
62 | * @param array $args |
||
63 | * @return array |
||
64 | */ |
||
65 | public function searchUsers($request, $response, $args) |
||
76 | |||
77 | /** |
||
78 | * Create a user. |
||
79 | * |
||
80 | * @param Request $request |
||
81 | * @param Response $response |
||
82 | * @param array $args |
||
83 | * @return array |
||
84 | */ |
||
85 | public function createUser($request, $response, $args) |
||
97 | |||
98 | /** |
||
99 | * Update a user. |
||
100 | * |
||
101 | * @param Request $request |
||
102 | * @param Response $response |
||
103 | * @param array $args |
||
104 | * @return array |
||
105 | */ |
||
106 | public function updateUser($request, $response, $args) |
||
118 | |||
119 | /** |
||
120 | * Delete a user. |
||
121 | * |
||
122 | * @param Request $request |
||
123 | * @param Response $response |
||
124 | * @param array $args |
||
125 | * @return array |
||
126 | */ |
||
127 | public function deleteUser($request, $response, $args) |
||
138 | } |
||
139 |