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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32 | final class Configuration implements ConfigurationInterface |
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33 | { |
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34 | private $debug; |
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35 | |||
36 | 61 | public function __construct(bool $debug) |
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40 | |||
41 | 60 | public function getConfigTreeBuilder(): TreeBuilder |
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42 | { |
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43 | 60 | $treeBuilder = new TreeBuilder('fos_rest'); |
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44 | |||
45 | 60 | $rootNode = $treeBuilder->getRootNode(); |
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46 | |||
47 | $rootNode |
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48 | 60 | ->children() |
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49 | 60 | ->scalarNode('disable_csrf_role')->defaultNull()->end() |
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50 | 60 | ->scalarNode('unauthorized_challenge')->defaultNull()->end() |
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51 | 60 | ->arrayNode('param_fetcher_listener') |
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52 | 60 | ->beforeNormalization() |
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53 | 60 | ->ifString() |
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54 | View Code Duplication | ->then(function ($v) { |
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55 | 1 | return ['enabled' => in_array($v, ['force', 'true']), 'force' => 'force' === $v]; |
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56 | 60 | }) |
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57 | 60 | ->end() |
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58 | 60 | ->canBeEnabled() |
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59 | 60 | ->children() |
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60 | 60 | ->booleanNode('force')->defaultFalse()->end() |
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61 | 60 | ->scalarNode('service')->defaultNull()->end() |
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62 | 60 | ->end() |
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63 | 60 | ->end() |
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64 | 60 | ->scalarNode('cache_dir')->cannotBeEmpty()->defaultValue('%kernel.cache_dir%/fos_rest')->end() |
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65 | 60 | ->arrayNode('allowed_methods_listener') |
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66 | 60 | ->canBeEnabled() |
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67 | 60 | ->children() |
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68 | 60 | ->scalarNode('service')->defaultNull()->end() |
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69 | 60 | ->end() |
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70 | 60 | ->end() |
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71 | 60 | ->booleanNode('routing_loader') |
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72 | 60 | ->defaultValue(false) |
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73 | 60 | ->validate() |
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74 | 60 | ->ifTrue() |
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75 | 60 | ->thenInvalid('only "false" is supported') |
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76 | 60 | ->end() |
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77 | 60 | ->end() |
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78 | 60 | ->arrayNode('body_converter') |
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79 | 60 | ->canBeEnabled() |
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80 | 60 | ->children() |
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81 | 60 | ->scalarNode('validate') |
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82 | 60 | ->defaultFalse() |
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83 | 60 | ->beforeNormalization() |
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84 | 60 | ->ifTrue() |
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85 | ->then(function ($value) { |
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86 | 1 | if (!class_exists(OptionsResolver::class)) { |
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87 | throw new InvalidConfigurationException("'body_converter.validate: true' requires OptionsResolver component installation ( composer require symfony/options-resolver )"); |
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88 | } |
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89 | |||
90 | 1 | return $value; |
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91 | 60 | }) |
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92 | 60 | ->end() |
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93 | 60 | ->end() |
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94 | 60 | ->scalarNode('validation_errors_argument')->defaultValue('validationErrors')->end() |
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95 | 60 | ->end() |
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96 | 60 | ->end() |
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97 | 60 | ->arrayNode('service') |
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98 | 60 | ->addDefaultsIfNotSet() |
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99 | 60 | ->children() |
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100 | 60 | ->scalarNode('serializer')->defaultNull()->end() |
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101 | 60 | ->scalarNode('view_handler')->defaultValue('fos_rest.view_handler.default')->end() |
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102 | 60 | ->scalarNode('validator')->defaultValue('validator')->end() |
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103 | 60 | ->end() |
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104 | 60 | ->end() |
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105 | 60 | ->arrayNode('serializer') |
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106 | 60 | ->addDefaultsIfNotSet() |
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107 | 60 | ->children() |
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108 | 60 | ->scalarNode('version')->defaultNull()->end() |
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109 | 60 | ->arrayNode('groups') |
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110 | 60 | ->prototype('scalar')->end() |
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111 | 60 | ->end() |
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112 | 60 | ->booleanNode('serialize_null')->defaultFalse()->end() |
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113 | 60 | ->booleanNode('disable_custom_jms_registry')->defaultFalse()->end() |
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114 | 60 | ->end() |
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115 | 60 | ->end() |
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116 | 60 | ->arrayNode('zone') |
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117 | 60 | ->cannotBeOverwritten() |
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118 | 60 | ->prototype('array') |
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119 | 60 | ->fixXmlConfig('ip') |
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120 | 60 | ->children() |
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121 | 60 | ->scalarNode('path') |
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122 | 60 | ->defaultNull() |
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123 | 60 | ->info('use the urldecoded format') |
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124 | 60 | ->example('^/path to resource/') |
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125 | 60 | ->end() |
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126 | 60 | ->scalarNode('host')->defaultNull()->end() |
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127 | 60 | ->arrayNode('methods') |
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128 | ->beforeNormalization()->ifString()->then(function ($v) { |
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129 | return preg_split('/\s*,\s*/', $v); |
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130 | 60 | })->end() |
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131 | 60 | ->prototype('scalar')->end() |
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132 | 60 | ->end() |
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133 | 60 | ->arrayNode('ips') |
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134 | ->beforeNormalization()->ifString()->then(function ($v) { |
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135 | 1 | return array($v); |
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136 | 60 | })->end() |
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137 | 60 | ->prototype('scalar')->end() |
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138 | 60 | ->end() |
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139 | 60 | ->end() |
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140 | 60 | ->end() |
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141 | 60 | ->end() |
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142 | 60 | ->end(); |
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143 | |||
144 | 60 | $this->addViewSection($rootNode); |
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145 | 60 | $this->addExceptionSection($rootNode); |
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146 | 60 | $this->addBodyListenerSection($rootNode); |
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147 | 60 | $this->addFormatListenerSection($rootNode); |
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148 | 60 | $this->addVersioningSection($rootNode); |
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149 | |||
150 | 60 | return $treeBuilder; |
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151 | } |
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152 | |||
153 | 60 | private function addViewSection(ArrayNodeDefinition $rootNode): void |
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154 | { |
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155 | $rootNode |
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156 | 60 | ->children() |
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157 | 60 | ->arrayNode('view') |
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158 | 60 | ->fixXmlConfig('format', 'formats') |
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159 | 60 | ->fixXmlConfig('mime_type', 'mime_types') |
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160 | 60 | ->addDefaultsIfNotSet() |
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161 | 60 | ->children() |
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162 | 60 | ->arrayNode('mime_types') |
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163 | 60 | ->canBeEnabled() |
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164 | 60 | ->beforeNormalization() |
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165 | ->ifArray()->then(function ($v) { |
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166 | 1 | if (!empty($v) && empty($v['formats'])) { |
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167 | 1 | unset($v['enabled']); |
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168 | 1 | $v = ['enabled' => true, 'formats' => $v]; |
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169 | } |
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170 | |||
171 | 1 | return $v; |
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172 | 60 | }) |
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173 | 60 | ->end() |
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174 | 60 | ->fixXmlConfig('format', 'formats') |
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175 | 60 | ->children() |
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176 | 60 | ->scalarNode('service')->defaultNull()->end() |
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177 | 60 | ->arrayNode('formats') |
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178 | 60 | ->useAttributeAsKey('name') |
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179 | 60 | ->prototype('array') |
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180 | 60 | ->beforeNormalization() |
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181 | 60 | ->ifString() |
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182 | ->then(function ($v) { return array($v); }) |
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183 | 60 | ->end() |
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184 | 60 | ->prototype('scalar')->end() |
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185 | 60 | ->end() |
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186 | 60 | ->end() |
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187 | 60 | ->end() |
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188 | 60 | ->end() |
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189 | 60 | ->arrayNode('formats') |
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190 | 60 | ->useAttributeAsKey('name') |
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191 | 60 | ->defaultValue(['json' => true, 'xml' => true]) |
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192 | 60 | ->prototype('boolean')->end() |
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193 | 60 | ->end() |
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194 | 60 | ->arrayNode('view_response_listener') |
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195 | 60 | ->beforeNormalization() |
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196 | 60 | ->ifString() |
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197 | View Code Duplication | ->then(function ($v) { |
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198 | 4 | return ['enabled' => in_array($v, ['force', 'true']), 'force' => 'force' === $v]; |
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199 | 60 | }) |
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200 | 60 | ->end() |
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201 | 60 | ->canBeEnabled() |
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202 | 60 | ->children() |
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203 | 60 | ->booleanNode('force')->defaultFalse()->end() |
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204 | 60 | ->scalarNode('service')->defaultNull()->end() |
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205 | 60 | ->end() |
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206 | 60 | ->end() |
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207 | 60 | ->scalarNode('failed_validation')->defaultValue(Response::HTTP_BAD_REQUEST)->end() |
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208 | 60 | ->scalarNode('empty_content')->defaultValue(Response::HTTP_NO_CONTENT)->end() |
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209 | 60 | ->booleanNode('serialize_null')->defaultFalse()->end() |
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210 | 60 | ->arrayNode('jsonp_handler') |
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211 | 60 | ->canBeUnset() |
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212 | 60 | ->children() |
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213 | 60 | ->scalarNode('callback_param')->defaultValue('callback')->end() |
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214 | 60 | ->scalarNode('mime_type')->defaultValue('application/javascript+jsonp')->end() |
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215 | 60 | ->end() |
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216 | 60 | ->end() |
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217 | 60 | ->end() |
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218 | 60 | ->end() |
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219 | 60 | ->end(); |
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220 | 60 | } |
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221 | |||
222 | 60 | private function addBodyListenerSection(ArrayNodeDefinition $rootNode): void |
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262 | |||
263 | 60 | private function addFormatListenerSection(ArrayNodeDefinition $rootNode): void |
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264 | { |
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316 | |||
317 | 60 | private function addVersioningSection(ArrayNodeDefinition $rootNode): void |
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366 | |||
367 | 60 | private function addExceptionSection(ArrayNodeDefinition $rootNode): void |
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454 | |||
455 | 14 | private function testExceptionExists(string $throwable): void |
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461 | } |
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462 |
This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass.
Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type.