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 |
||
24 | class Config |
||
25 | { |
||
26 | /** |
||
27 | * @var array |
||
28 | */ |
||
29 | protected $formatters = []; |
||
30 | |||
31 | /** |
||
32 | * @var array |
||
33 | */ |
||
34 | protected $handlers = []; |
||
35 | |||
36 | /** |
||
37 | * @var array |
||
38 | */ |
||
39 | protected $processors = []; |
||
40 | |||
41 | /** |
||
42 | * @var array |
||
43 | */ |
||
44 | protected $channels = []; |
||
45 | |||
46 | /** |
||
47 | * @var string |
||
48 | */ |
||
49 | protected $defaultChannel = ''; |
||
50 | |||
51 | /** |
||
52 | * Config constructor. |
||
53 | * |
||
54 | * @param array $config |
||
55 | */ |
||
56 | public function __construct(array $config) |
||
60 | |||
61 | /** |
||
62 | * @param string $name |
||
63 | * |
||
64 | * @return array |
||
65 | */ |
||
66 | public function getChannel(string $name) |
||
77 | |||
78 | /** |
||
79 | * @return string |
||
80 | */ |
||
81 | public function getDefaultChannel() |
||
89 | |||
90 | /** |
||
91 | * @param array $names |
||
92 | * |
||
93 | * @return array |
||
94 | */ |
||
95 | protected function getFormatters(array $names) |
||
101 | |||
102 | /** |
||
103 | * @param array $names |
||
104 | * |
||
105 | * @return array |
||
106 | */ |
||
107 | protected function getHandlers(array $names) |
||
113 | |||
114 | /** |
||
115 | * @param array $names |
||
116 | * |
||
117 | * @return array |
||
118 | */ |
||
119 | protected function getProcessors(array $names) |
||
125 | |||
126 | /** |
||
127 | * @param string $formatterId |
||
128 | * |
||
129 | * @return \Monolog\Formatter\FormatterInterface |
||
130 | */ |
||
131 | protected function getFormatter(string $formatterId) |
||
139 | |||
140 | /** |
||
141 | * @param string $handlerId |
||
142 | * |
||
143 | * @return \Monolog\Handler\HandlerInterface |
||
144 | */ |
||
145 | protected function getHandler(string $handlerId) |
||
153 | |||
154 | /** |
||
155 | * @param string $processorId |
||
156 | * |
||
157 | * @return \Monolog\Handler\HandlerInterface |
||
158 | */ |
||
159 | protected function getProcessor(string $processorId) |
||
167 | |||
168 | /** |
||
169 | * @param array $config |
||
170 | */ |
||
171 | protected function parse(array $config) |
||
179 | |||
180 | /** |
||
181 | * @param array $formatters |
||
182 | * |
||
183 | * @return array |
||
184 | */ |
||
185 | View Code Duplication | protected function formatFormatters(array $formatters = []) |
|
198 | |||
199 | /** |
||
200 | * @param array $handlers |
||
201 | * |
||
202 | * @return array |
||
203 | */ |
||
204 | protected function formatHandlers(array $handlers = []) |
||
237 | |||
238 | /** |
||
239 | * @param array $processors |
||
240 | * |
||
241 | * @return array |
||
242 | */ |
||
243 | View Code Duplication | protected function formatProcessors(array $processors = []) |
|
260 | |||
261 | /** |
||
262 | * @param array $channels |
||
263 | * |
||
264 | * @return array |
||
265 | */ |
||
266 | protected function formatChannels(array $channels = []) |
||
285 | } |
||
286 |
It is generally a best practice as it is often more readable to use concatenation instead of interpolation for variables inside strings.