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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20 | trait AdminPdfLetterControllerTrait |
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21 | { |
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22 | use AbstractControllerTrait; |
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23 | |||
24 | /** |
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25 | * @var string |
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26 | */ |
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27 | protected $letterType; |
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28 | |||
29 | /** |
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30 | * @var RecordManager |
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31 | */ |
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32 | protected $parentManager; |
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33 | |||
34 | /** |
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35 | * @var Record |
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36 | */ |
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37 | protected $parent; |
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38 | |||
39 | |||
40 | public function upload() |
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70 | |||
71 | View Code Duplication | public function downloadExample() |
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82 | |||
83 | View Code Duplication | public function downloadBlank() |
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94 | |||
95 | /** |
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96 | * @param Record $parent |
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97 | * @param $message |
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98 | * @param string $type |
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99 | */ |
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100 | protected function flashRedirectLetter($parent, $message, $type = 'success') |
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109 | |||
110 | /** |
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111 | * @param Record $parent |
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112 | * @return mixed |
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113 | */ |
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114 | protected function getPdfLettersPageUrl($parent) |
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118 | |||
119 | /** |
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120 | * @param Record $parent |
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121 | * @return mixed |
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122 | */ |
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123 | protected function getPdfLettersPageController($parent) |
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127 | |||
128 | /** |
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129 | * @return mixed |
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130 | */ |
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131 | protected function viewCheckItem() |
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140 | |||
141 | /** |
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142 | * @param $item |
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143 | * @param $type |
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144 | * @return PdfLetterTrait|Record |
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145 | */ |
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146 | protected function newPdfLetterRecordFromItemType($item, $type) |
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154 | |||
155 | /** |
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156 | * @return Record|PdfLetterTrait |
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157 | */ |
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158 | protected function newPdfLetterRecord() |
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162 | |||
163 | /** |
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164 | * @return RecordManager |
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165 | */ |
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166 | protected function getParentManager() |
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170 | |||
171 | /** |
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172 | * @return Record |
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173 | */ |
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174 | protected function getParent() |
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178 | |||
179 | /** |
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180 | * @return string |
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181 | */ |
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182 | protected function getLetterType() |
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186 | |||
187 | /** |
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188 | * Called before action |
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189 | */ |
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190 | protected function parseRequestPdfLetter() |
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198 | |||
199 | protected function checkRequestForParent() |
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208 | |||
209 | protected function checkRequestForItem() |
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214 | |||
215 | /** |
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216 | * @param PdfLetterTrait $letter |
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217 | */ |
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218 | protected function checkRequestSetFromLetter($letter) |
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224 | |||
225 | /** |
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226 | * @inheritdoc |
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227 | */ |
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228 | protected function setBreadcrumbs() |
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235 | } |
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236 |
It seems like the method you are trying to call exists only in some of the possible types.
Let’s take a look at an example:
Available Fixes
Add an additional type-check:
Only allow a single type to be passed if the variable comes from a parameter: