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 | 'webapp.name' => 'import-cli-simple',  | 
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| 51 | 'webapp.version' => '1.0.0-alpha5'  | 
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| 52 | );  | 
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| 53 | |||
| 54 | /**  | 
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| 55 | * Run's the composer install command.  | 
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| 56 | *  | 
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| 57 | * @return void  | 
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| 58 | */  | 
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| 59 | public function composerInstall()  | 
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| 67 | |||
| 68 | /**  | 
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| 69 | * Run's the composer update command.  | 
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| 70 | *  | 
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| 71 | * @return void  | 
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| 72 | */  | 
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| 73 | public function composerUpdate()  | 
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| 81 | |||
| 82 | /**  | 
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| 83 | * Clean up the environment for a new build.  | 
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| 84 | *  | 
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| 85 | * @return void  | 
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| 86 | */  | 
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| 87 | public function clean()  | 
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| 91 | |||
| 92 | /**  | 
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| 93 | * Prepare's the environment for a new build.  | 
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| 94 | *  | 
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| 95 | * @return void  | 
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| 96 | */  | 
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| 97 | public function prepare()  | 
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| 105 | |||
| 106 | /**  | 
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| 107 | * Run's the PHPMD.  | 
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| 108 | *  | 
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| 109 | * @return void  | 
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| 110 | */  | 
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| 111 | View Code Duplication | public function runMd()  | 
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| 124 | |||
| 125 | /**  | 
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| 126 | * Run's the PHPCPD.  | 
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| 127 | *  | 
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| 128 | * @return void  | 
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| 129 | */  | 
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| 130 | View Code Duplication | public function runCpd()  | 
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| 143 | |||
| 144 | /**  | 
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| 145 | * Run's the PHPCodeSniffer.  | 
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| 146 | *  | 
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| 147 | * @return void  | 
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| 148 | */  | 
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| 149 | View Code Duplication | public function runCs()  | 
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| 162 | |||
| 163 | /**  | 
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| 164 | * Run's the PHPUnit tests.  | 
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| 165 | *  | 
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| 166 | * @return void  | 
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| 167 | */  | 
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| 168 | public function runTests()  | 
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| 169 |     { | 
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| 170 | |||
| 171 | // run PHPUnit  | 
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| 172 |         $this->taskPHPUnit(sprintf('%s/bin/phpunit', $this->properties['vendor.dir'])) | 
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| 173 |              ->configFile('phpunit.xml') | 
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| 174 | ->run();  | 
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| 175 | }  | 
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| 176 | |||
| 177 | /**  | 
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| 178 | * The complete build process.  | 
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| 179 | *  | 
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| 180 | * @return void  | 
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| 181 | */  | 
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| 182 | public function build()  | 
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| 191 | }  | 
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| 192 | 
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.