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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34 | class Query extends \yii\db\Query implements QueryInterface |
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35 | { |
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36 | /** |
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37 | * @var string action that this query performs |
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38 | */ |
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39 | public $action; |
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40 | |||
41 | /** |
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42 | * @var array query options e.g. raw, batch |
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43 | */ |
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44 | public $options = []; |
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45 | |||
46 | public $count; |
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47 | |||
48 | public $body = []; |
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49 | |||
50 | 1 | public static function instantiate($action, $from, array $options = []) |
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56 | |||
57 | /** |
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58 | * @param null $db |
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59 | * @throws \Exception |
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60 | * @return Command |
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61 | */ |
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62 | 2 | public function createCommand($db = null) |
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63 | { |
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64 | 2 | if ($db === null) { |
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65 | throw new \Exception('no db given to Query::createCommand'); |
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66 | } |
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67 | |||
68 | 2 | $commandConfig = $db->getQueryBuilder()->build($this); |
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69 | |||
70 | 2 | return $db->createCommand($commandConfig); |
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71 | } |
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72 | |||
73 | public function one($db = null) |
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77 | |||
78 | public function searchOne($db = null) |
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82 | |||
83 | public function searchSingle($db = null) |
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87 | |||
88 | public function all($db = null) |
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107 | |||
108 | 2 | public function searchAll($db = null) |
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112 | |||
113 | 2 | public function searchBatch($db = null) |
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117 | |||
118 | 2 | public function search($db = null) |
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122 | |||
123 | public function delete($db = null, $options = []) |
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127 | |||
128 | public function count($q = '*', $db = null) |
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134 | |||
135 | public function exists($db = null) |
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139 | |||
140 | 1 | public function action($action) |
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146 | |||
147 | 2 | public function addAction($action) |
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155 | |||
156 | 2 | public function addOption($name, $value) |
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164 | |||
165 | public function getOption($name) |
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169 | |||
170 | 1 | public function options($options) |
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176 | |||
177 | public function addOptions($options) |
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185 | |||
186 | 1 | public function body($body) |
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192 | |||
193 | public function innerJoin($table, $on = '', $params = []) |
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199 | |||
200 | View Code Duplication | public function fields($fields) |
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210 | |||
211 | View Code Duplication | public function source($source) |
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221 | } |
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222 |
Methods can only be called on objects. This check looks for methods being called on variables that have been inferred to never be objects.