Conditions | 10 |
Paths | 1 |
Total Lines | 120 |
Code Lines | 94 |
Lines | 6 |
Ratio | 5 % |
Changes | 0 |
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
1 | <?php |
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45 | public function getConfigTreeBuilder() |
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46 | { |
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47 | $treeBuilder = new TreeBuilder(); |
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48 | $rootNode = $treeBuilder->root('liip_imagine', 'array'); |
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49 | |||
50 | $resolversPrototypeNode = $rootNode |
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51 | ->children() |
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52 | ->arrayNode('resolvers') |
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53 | ->useAttributeAsKey('name') |
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54 | ->prototype('array') |
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55 | ->performNoDeepMerging() |
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56 | ; |
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57 | $this->addResolversSections($resolversPrototypeNode); |
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58 | |||
59 | $loadersPrototypeNode = $rootNode |
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60 | ->children() |
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61 | ->arrayNode('loaders') |
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62 | ->useAttributeAsKey('name') |
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63 | ->prototype('array') |
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64 | ; |
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65 | $this->addLoadersSections($loadersPrototypeNode); |
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66 | |||
67 | $rootNode |
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68 | ->beforeNormalization() |
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69 | ->ifTrue(function ($v) { |
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70 | return |
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71 | empty($v['loaders']) || |
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72 | empty($v['loaders']['default']) || |
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73 | empty($v['resolvers']) || |
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74 | empty($v['resolvers']['default']) |
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75 | ; |
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76 | }) |
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77 | ->then(function ($v) { |
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78 | if (empty($v['loaders'])) { |
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79 | $v['loaders'] = []; |
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80 | } |
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81 | |||
82 | if (false == is_array($v['loaders'])) { |
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83 | throw new \LogicException('Loaders has to be array'); |
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84 | } |
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85 | |||
86 | View Code Duplication | if (false == array_key_exists('default', $v['loaders'])) { |
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87 | $v['loaders']['default'] = ['filesystem' => null]; |
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88 | } |
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89 | |||
90 | if (empty($v['resolvers'])) { |
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91 | $v['resolvers'] = []; |
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92 | } |
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93 | |||
94 | if (false == is_array($v['resolvers'])) { |
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95 | throw new \LogicException('Resolvers has to be array'); |
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96 | } |
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97 | |||
98 | View Code Duplication | if (false == array_key_exists('default', $v['resolvers'])) { |
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99 | $v['resolvers']['default'] = ['web_path' => null]; |
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100 | } |
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101 | |||
102 | return $v; |
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103 | }) |
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104 | ->end() |
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105 | ; |
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106 | |||
107 | $rootNode |
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108 | ->fixXmlConfig('filter_set', 'filter_sets') |
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109 | ->children() |
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110 | ->scalarNode('driver')->defaultValue('gd') |
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111 | ->validate() |
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112 | ->ifTrue(function ($v) { |
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113 | return !in_array($v, ['gd', 'imagick', 'gmagick']); |
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114 | }) |
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115 | ->thenInvalid('Invalid imagine driver specified: %s') |
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116 | ->end() |
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117 | ->end() |
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118 | ->scalarNode('cache')->defaultValue('default')->end() |
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119 | ->scalarNode('cache_base_path')->defaultValue('')->end() |
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120 | ->scalarNode('data_loader')->defaultValue('default')->end() |
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121 | ->scalarNode('default_image')->defaultNull()->end() |
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122 | ->arrayNode('controller') |
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123 | ->addDefaultsIfNotSet() |
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124 | ->children() |
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125 | ->scalarNode('filter_action')->defaultValue('liip_imagine.controller:filterAction')->end() |
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126 | ->scalarNode('filter_runtime_action')->defaultValue('liip_imagine.controller:filterRuntimeAction')->end() |
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127 | ->end() |
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128 | ->end() |
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129 | ->arrayNode('filter_sets') |
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130 | ->useAttributeAsKey('name') |
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131 | ->prototype('array') |
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132 | ->fixXmlConfig('filter', 'filters') |
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133 | ->children() |
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134 | ->scalarNode('quality')->defaultValue(100)->end() |
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135 | ->scalarNode('jpeg_quality')->defaultNull()->end() |
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136 | ->scalarNode('png_compression_level')->defaultNull()->end() |
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137 | ->scalarNode('png_compression_filter')->defaultNull()->end() |
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138 | ->scalarNode('format')->defaultNull()->end() |
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139 | ->booleanNode('animated')->defaultFalse()->end() |
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140 | ->scalarNode('cache')->defaultNull()->end() |
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141 | ->scalarNode('data_loader')->defaultNull()->end() |
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142 | ->scalarNode('default_image')->defaultNull()->end() |
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143 | ->arrayNode('filters') |
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144 | ->useAttributeAsKey('name') |
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145 | ->prototype('array') |
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146 | ->useAttributeAsKey('name') |
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147 | ->prototype('variable')->end() |
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148 | ->end() |
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149 | ->end() |
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150 | ->arrayNode('post_processors') |
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151 | ->defaultValue([]) |
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152 | ->useAttributeAsKey('name') |
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153 | ->prototype('array') |
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154 | ->useAttributeAsKey('name') |
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155 | ->prototype('variable')->end() |
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156 | ->end() |
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157 | ->end() |
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158 | ->end() |
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159 | ->end() |
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160 | ->end() |
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161 | ->end(); |
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162 | |||
163 | return $treeBuilder; |
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164 | } |
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165 | |||
193 |
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different sub-classes of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the parent class: