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