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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| 9 | trait TFBCUtilities  | 
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| 10 | { | 
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| 11 | /**  | 
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| 12 | * Support relative routes.  | 
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| 13 | *  | 
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| 14 | * @param string $route to load.  | 
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| 15 | * @param string $routeIndex to use.  | 
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| 16 | *  | 
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| 17 | * @return string with active route.  | 
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| 18 | */  | 
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| 19 | private function getActiveRoute($route, $routeIndex)  | 
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| 28 | |||
| 29 | |||
| 30 | /**  | 
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| 31 | * Process content phase 2 and merge with new frontmatter into  | 
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| 32 | * view structure.  | 
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| 33 | *  | 
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| 34 | * @param string &$views array to load view info into.  | 
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| 35 | * @param string $route to load meta from.  | 
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| 36 | *  | 
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| 37 | * @return void  | 
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| 38 | */  | 
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| 39 | private function processContentPhaseTwo(&$filtered)  | 
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| 63 | |||
| 64 | |||
| 65 | |||
| 66 | |||
| 67 | /**  | 
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| 68 | * Load view details for additional route, merged with meta if any.  | 
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| 69 | *  | 
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| 70 | * @param string $route to load.  | 
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| 71 | *  | 
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| 72 | * @return array with view data details.  | 
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| 73 | */  | 
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| 74 | private function loadAndParseRoute($route)  | 
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| 107 | |||
| 108 | |||
| 109 | |||
| 110 | /**  | 
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| 111 | * Load view data for additional route, merged with meta if any.  | 
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| 112 | *  | 
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| 113 | * @param string $route to load.  | 
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| 114 | *  | 
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| 115 | * @return array with view data details.  | 
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| 116 | */  | 
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| 117 | private function getDataForAdditionalRoute($route)  | 
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| 153 | |||
| 154 | |||
| 155 | |||
| 156 | /**  | 
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| 157 | * Parse text, find and update all a href to use baseurl.  | 
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| 158 | *  | 
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| 159 | * @param object &$filtered with text and excerpt to process.  | 
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| 160 | * @param string $baseurl add as baseurl for all relative urls.  | 
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| 161 | *  | 
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| 162 | * @return void.  | 
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| 163 | */  | 
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| 164 | View Code Duplication | private function addBaseurl2AnchorUrls(&$filtered, $baseurl)  | 
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| 177 | |||
| 178 | |||
| 179 | |||
| 180 | /**  | 
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| 181 | * Parse text, find and update all image source to use baseurl.  | 
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| 182 | *  | 
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| 183 | * @param object &$filtered with text and excerpt to process.  | 
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| 184 | * @param string $baseurl add as baseurl for all relative urls.  | 
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| 185 | *  | 
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| 186 | * @return void.  | 
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| 187 | */  | 
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| 188 | View Code Duplication | private function addBaseurl2ImageSource(&$filtered, $baseurl)  | 
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| 201 | |||
| 202 | |||
| 203 | |||
| 204 | /**  | 
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| 205 | * Get published date.  | 
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| 206 | *  | 
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| 207 | * @param array $frontmatter with details on dates.  | 
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| 208 | *  | 
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| 209 | * @return integer as time for publish time.  | 
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| 210 | */  | 
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| 211 | private function getPublishTime($frontmatter)  | 
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| 216 | }  | 
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| 217 |