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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36 | class RoboFile extends \Robo\Tasks |
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37 | { |
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38 | |||
39 | /** |
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40 | * The build properties. |
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41 | * |
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42 | * @var array |
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43 | */ |
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44 | protected $properties = array( |
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45 | 'base.dir' => __DIR__, |
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46 | 'src.dir' => __DIR__ . '/src', |
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47 | 'dist.dir' => __DIR__ . '/dist', |
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48 | 'vendor.dir' => __DIR__ . '/vendor', |
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49 | 'target.dir' => __DIR__ . '/target' |
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50 | ); |
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51 | |||
52 | /** |
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53 | * Run's the composer install command. |
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54 | * |
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55 | * @return \Robo\Result The result |
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56 | */ |
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57 | public function composerInstall() |
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65 | |||
66 | /** |
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67 | * Run's the composer update command. |
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68 | * |
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69 | * @return \Robo\Result The result |
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70 | */ |
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71 | public function composerUpdate() |
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79 | |||
80 | /** |
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81 | * Clean up the environment for a new build. |
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82 | * |
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83 | * @return \Robo\Result The result |
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84 | */ |
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85 | public function clean() |
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89 | |||
90 | /** |
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91 | * Prepare's the environment for a new build. |
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92 | * |
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93 | * @return \Robo\Result The result |
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94 | */ |
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95 | public function prepare() |
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103 | |||
104 | /** |
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105 | * Run's the PHPMD. |
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106 | * |
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107 | * @return \Robo\Result The result |
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108 | */ |
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109 | View Code Duplication | public function runMd() |
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122 | |||
123 | /** |
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124 | * Run's the PHPCPD. |
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125 | * |
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126 | * @return \Robo\Result The result |
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127 | */ |
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128 | public function runCpd() |
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148 | |||
149 | /** |
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150 | * Run's the PHPCodeSniffer. |
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151 | * |
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152 | * @return \Robo\Result The result |
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153 | */ |
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154 | View Code Duplication | public function runCs() |
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167 | |||
168 | /** |
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169 | * Run's the PHPUnit tests. |
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170 | * |
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171 | * @return \Robo\Result The result |
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172 | */ |
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173 | public function runTests() |
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174 | { |
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175 | |||
176 | // run PHPUnit |
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177 | return $this->taskPHPUnit(sprintf('%s/bin/phpunit', $this->properties['vendor.dir'])) |
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178 | ->configFile('phpunit.xml') |
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179 | ->run(); |
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180 | } |
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181 | |||
182 | /** |
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183 | * The complete build process. |
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184 | * |
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185 | * @return void |
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186 | */ |
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187 | public function build() |
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201 | } |
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202 |
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: