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 |
||
9 | class SilverstripeColumnsPageControllerExtension extends Extension |
||
|
|||
10 | { |
||
11 | |||
12 | private static $allowed_actions = [ |
||
13 | 'myspecificpagemenuitems' => true |
||
14 | ]; |
||
15 | |||
16 | /** |
||
17 | * @return bool |
||
18 | */ |
||
19 | View Code Duplication | function HasFullWidthContent() |
|
31 | |||
32 | /** |
||
33 | * @return bool |
||
34 | */ |
||
35 | function HasSideBar() |
||
54 | |||
55 | /** |
||
56 | * @param boolean $asClassName |
||
57 | * |
||
58 | * @return string | int |
||
59 | */ |
||
60 | function NumberOfColumns($asClassName = true) |
||
84 | |||
85 | |||
86 | /** |
||
87 | * returns a data list of items that have been edited last - up to one day ago. |
||
88 | * This ensures that we do not show stuff we have just fixed up... |
||
89 | * @return DataList |
||
90 | */ |
||
91 | function RecentlyUpdated($limit = 5) |
||
109 | |||
110 | /** |
||
111 | * Children Menu Items |
||
112 | * @return null | DataList |
||
113 | */ |
||
114 | View Code Duplication | function InThisSection() |
|
125 | |||
126 | /** |
||
127 | * Sibling Menu Items |
||
128 | * @return null | DataList |
||
129 | */ |
||
130 | function AlsoSee() |
||
147 | |||
148 | /** |
||
149 | * returns relevant menus items for |
||
150 | * @param SS_Request |
||
151 | * @return string (html) |
||
152 | */ |
||
153 | function myspecificpagemenuitems($request) |
||
172 | |||
173 | |||
174 | function IsNotHome() |
||
180 | |||
181 | } |
||
182 |
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.