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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35 | class RoboFile extends \Robo\Tasks |
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36 | { |
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37 | |||
38 | /** |
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39 | * The build properties. |
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40 | * |
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41 | * @var array |
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42 | */ |
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43 | protected $properties = array( |
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44 | 'base.dir' => __DIR__, |
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45 | 'src.dir' => __DIR__ . '/src', |
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46 | 'dist.dir' => __DIR__ . '/dist', |
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47 | 'vendor.dir' => __DIR__ . '/vendor', |
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48 | 'target.dir' => __DIR__ . '/target' |
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49 | ); |
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50 | |||
51 | /** |
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52 | * Run's the composer install command. |
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53 | * |
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54 | * @return \Robo\Result The result |
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55 | */ |
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56 | public function composerInstall() |
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64 | |||
65 | /** |
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66 | * Run's the composer update command. |
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67 | * |
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68 | * @return \Robo\Result The result |
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69 | */ |
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70 | public function composerUpdate() |
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78 | |||
79 | /** |
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80 | * Clean up the environment for a new build. |
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81 | * |
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82 | * @return \Robo\Result The result |
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83 | */ |
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84 | public function clean() |
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88 | |||
89 | /** |
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90 | * Prepare's the environment for a new build. |
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91 | * |
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92 | * @return \Robo\Result The result |
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93 | */ |
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94 | public function prepare() |
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102 | |||
103 | /** |
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104 | * Run's the PHPMD. |
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105 | * |
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106 | * @return \Robo\Result The result |
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107 | */ |
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108 | View Code Duplication | public function runMd() |
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121 | |||
122 | /** |
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123 | * Run's the PHPCPD. |
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124 | * |
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125 | * @return \Robo\Result The result |
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126 | */ |
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127 | View Code Duplication | public function runCpd() |
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140 | |||
141 | /** |
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142 | * Run's the PHPCodeSniffer. |
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143 | * |
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144 | * @return \Robo\Result The result |
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145 | */ |
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146 | View Code Duplication | public function runCs() |
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159 | |||
160 | /** |
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161 | * Run's the PHPUnit tests. |
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162 | * |
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163 | * @return \Robo\Result The result |
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164 | */ |
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165 | public function runTests() |
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166 | { |
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167 | |||
168 | // run PHPUnit |
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169 | return $this->taskPHPUnit(sprintf('%s/bin/phpunit', $this->properties['vendor.dir'])) |
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170 | ->configFile('phpunit.xml') |
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171 | ->run(); |
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172 | } |
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173 | |||
174 | /** |
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175 | * The complete build process. |
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176 | * |
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177 | * @return void |
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178 | */ |
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179 | public function build() |
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193 | } |
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194 |
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: