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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12 | class Channel extends ObjectStorage |
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13 | { |
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14 | use \PHPDaemon\Traits\EventHandlers; |
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15 | |||
16 | /** |
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17 | * @var Connection |
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18 | */ |
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19 | public $irc; |
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20 | |||
21 | /** |
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22 | * @var string |
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23 | */ |
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24 | public $name; |
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25 | |||
26 | /** |
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27 | * @var array |
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28 | */ |
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29 | public $nicknames = []; |
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30 | |||
31 | /** |
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32 | * @var |
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33 | */ |
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34 | public $self; |
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35 | |||
36 | /** |
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37 | * @var string |
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38 | */ |
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39 | public $type; |
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40 | |||
41 | /** |
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42 | * @var string |
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43 | */ |
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44 | public $topic; |
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45 | |||
46 | /** |
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47 | * @param Connection $irc |
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48 | * @param string $name |
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49 | */ |
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50 | public function __construct($irc, $name) |
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55 | |||
56 | /** |
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57 | * @TODO DESCR |
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58 | */ |
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59 | public function who() |
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63 | |||
64 | /** |
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65 | * @TODO DESCR |
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66 | * @param array|string $mask |
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67 | * @param mixed $msg |
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68 | */ |
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69 | public function onPart($mask, $msg = null) |
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80 | |||
81 | /** |
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82 | * @TODO DESCR |
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83 | */ |
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84 | public function destroy() |
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88 | |||
89 | /** |
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90 | * @TODO DESCR |
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91 | * @param string $type |
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92 | */ |
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93 | public function setChanType($type) |
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97 | |||
98 | /** |
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99 | * @TODO DESCR |
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100 | * @return array |
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101 | */ |
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102 | public function exportNicksArray() |
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110 | |||
111 | /** |
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112 | * @TODO DESCR |
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113 | * @param string $msg |
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114 | */ |
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115 | public function setTopic($msg) |
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119 | |||
120 | /** |
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121 | * @TODO DESCR |
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122 | * @param string $nick |
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123 | * @param string $mode |
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124 | */ |
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125 | View Code Duplication | public function addMode($nick, $mode) |
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136 | |||
137 | /** |
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138 | * @TODO DESCR |
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139 | * @param string $target |
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140 | * @param string $mode |
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141 | */ |
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142 | View Code Duplication | public function removeMode($target, $mode) |
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151 | |||
152 | /** |
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153 | * @TODO DESCR |
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154 | */ |
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155 | public function join() |
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159 | |||
160 | /** |
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161 | * @TODO DESCR |
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162 | * @param mixed $msg |
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163 | */ |
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164 | public function part($msg = null) |
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168 | |||
169 | /** |
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170 | * @TODO DESCR |
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171 | * @param string $type |
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172 | * @return $this |
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173 | */ |
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174 | public function setType($type) |
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179 | |||
180 | /** |
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181 | * @TODO DESCR |
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182 | * @param object $obj |
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183 | */ |
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184 | public function detach($obj) |
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189 | } |
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190 |
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.