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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17 | class MonologServiceProvider implements ServiceProviderInterface |
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18 | { |
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19 | /** |
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20 | * Registers the service provider with a DI container. |
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21 | * |
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22 | * @param Container $container The DI container. |
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23 | * |
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24 | * @return void |
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25 | * |
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26 | * @since 1.0 |
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27 | */ |
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28 | 1 | public function register(Container $container) |
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51 | |||
52 | /** |
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53 | * Get the `monolog.processor.psr3` service |
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54 | * |
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55 | * @param Container $container The DI container. |
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56 | * |
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57 | * @return PsrLogMessageProcessor |
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58 | * |
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59 | * @since 1.0 |
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60 | */ |
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61 | 1 | public function getMonologProcessorPsr3Service(Container $container) |
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65 | |||
66 | /** |
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67 | * Get the `monolog.processor.web` service |
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68 | * |
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69 | * @param Container $container The DI container. |
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70 | * |
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71 | * @return WebProcessor |
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72 | * |
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73 | * @since 1.0 |
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74 | */ |
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75 | 1 | public function getMonologProcessorWebService(Container $container) |
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79 | |||
80 | /** |
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81 | * Get the `monolog.handler.application` service |
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82 | * |
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83 | * @param Container $container The DI container. |
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84 | * |
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85 | * @return StreamHandler |
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86 | * |
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87 | * @since 1.0 |
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88 | */ |
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89 | 1 | View Code Duplication | public function getMonologHandlerApplicationService(Container $container) |
98 | |||
99 | /** |
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100 | * Get the `monolog.handler.database` service |
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101 | * |
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102 | * @param Container $container The DI container. |
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103 | * |
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104 | * @return StreamHandler |
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105 | * |
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106 | * @since 1.0 |
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107 | */ |
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108 | 1 | View Code Duplication | public function getMonologHandlerDatabaseService(Container $container) |
118 | |||
119 | /** |
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120 | * Get the `monolog.logger.application` service |
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121 | * |
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122 | * @param Container $container The DI container. |
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123 | * |
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124 | * @return Logger |
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125 | * |
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126 | * @since 1.0 |
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127 | */ |
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128 | 1 | public function getMonologLoggerApplicationService(Container $container) |
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140 | |||
141 | /** |
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142 | * Get the `monolog.logger.cli` service |
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143 | * |
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144 | * @param Container $container The DI container. |
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145 | * |
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146 | * @return Logger |
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147 | * |
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148 | * @since 1.0 |
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149 | */ |
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150 | 1 | public function getMonologLoggerCliService(Container $container) |
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159 | |||
160 | /** |
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161 | * Get the `monolog.logger.database` service |
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162 | * |
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163 | * @param Container $container The DI container. |
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164 | * |
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165 | * @return Logger |
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166 | * |
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167 | * @since 1.0 |
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168 | */ |
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169 | 1 | public function getMonologLoggerDatabaseService(Container $container) |
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182 | } |
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183 |
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.