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 Marker_Model extends Model_Base { |
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13 | |||
14 | /** |
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15 | * @var WPMarker |
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16 | */ |
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17 | protected $_marker; |
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18 | |||
19 | /** |
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20 | * @return bool |
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21 | */ |
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22 | 1 | function has_marker() { |
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23 | |||
24 | 1 | return $this->_has( '_marker' ); |
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25 | |||
26 | } |
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27 | |||
28 | /** |
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29 | * @return Location |
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30 | */ |
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31 | 2 | function location() { |
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36 | |||
37 | /** |
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38 | * @return Marker_Label |
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39 | */ |
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40 | 1 | function label() { |
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45 | |||
46 | /** |
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47 | * @return Info_Window |
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48 | */ |
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49 | 1 | function info_window() { |
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50 | |||
51 | 1 | $window = new Info_Window( array( 'info_window' => $this->marker()->info_window() ) ); |
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52 | 1 | $window->set_position( array( 'lat' => $this->marker()->latitude(), 'lng' => $this->marker()->longitude())); |
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53 | |||
54 | 1 | return $window; |
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55 | |||
56 | } |
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57 | |||
58 | /** |
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59 | * @param string $method_name |
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60 | * @param array $args |
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61 | * |
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62 | * @return mixed|null |
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63 | */ |
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64 | 1 | View Code Duplication | function __call( $method_name, $args ) { |
84 | |||
85 | } |
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86 |
This check marks calls to methods that do not seem to exist on an object.
This is most likely the result of a method being renamed without all references to it being renamed likewise.