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 /** MicroRichController */ |
||
20 | abstract class RichController extends Controller |
||
21 | { |
||
22 | /** @var string $format Format for response */ |
||
23 | public $format = 'application/json'; |
||
24 | /** @var string $methodType */ |
||
25 | protected $methodType = 'get'; |
||
26 | |||
27 | |||
28 | /** |
||
29 | * Construct RICH controller |
||
30 | * |
||
31 | * @access public |
||
32 | * |
||
33 | * @param IContainer $container |
||
34 | * @param string $modules |
||
35 | * |
||
36 | * @result void |
||
37 | */ |
||
38 | public function __construct(IContainer $container, $modules = '') |
||
44 | |||
45 | /** |
||
46 | * @inheritdoc |
||
47 | */ |
||
48 | public function action($name = 'index') |
||
88 | |||
89 | /** |
||
90 | * Define types for actions |
||
91 | * |
||
92 | * <code> |
||
93 | * // DELETE, GET, HEAD, OPTIONS, POST, PUT |
||
94 | * public function actionsTypes() { |
||
95 | * return [ |
||
96 | * 'create' => 'POST', |
||
97 | * 'read' => 'GET', |
||
98 | * 'update' => 'UPDATE' |
||
99 | * 'delete' => 'DELETE' |
||
100 | * ]; |
||
101 | * } |
||
102 | * </code> |
||
103 | * |
||
104 | * @access public |
||
105 | * |
||
106 | * @return array |
||
107 | * @abstract |
||
108 | */ |
||
109 | abstract public function actionsTypes(); |
||
110 | |||
111 | /** |
||
112 | * Switch content type |
||
113 | * |
||
114 | * @access protected |
||
115 | * |
||
116 | * @param mixed $data Any content |
||
117 | * |
||
118 | * @return string |
||
119 | */ |
||
120 | protected function switchContentType($data) |
||
137 | } |
||
138 |
If you access a property on an interface, you most likely code against a concrete implementation of the interface.
Available Fixes
Adding an additional type check:
Changing the type hint: