Complex classes like WordAds often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use WordAds, and based on these observations, apply Extract Interface, too.
1 | <?php |
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13 | class WordAds { |
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14 | |||
15 | public $params = null; |
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16 | |||
17 | /** |
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18 | * The different supported ad types. |
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19 | * v0.1 - mrec only for now |
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20 | * @var array |
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21 | */ |
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22 | public static $ad_tag_ids = array( |
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23 | 'mrec' => array( |
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24 | 'tag' => '300x250_mediumrectangle', |
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25 | 'height' => '250', |
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26 | 'width' => '300', |
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27 | ), |
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28 | 'lrec' => array( |
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29 | 'tag' => '336x280_largerectangle', |
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30 | 'height' => '280', |
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31 | 'width' => '336', |
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32 | ), |
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33 | 'leaderboard' => array( |
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34 | 'tag' => '728x90_leaderboard', |
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35 | 'height' => '90', |
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36 | 'width' => '728', |
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37 | ), |
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38 | 'wideskyscraper' => array( |
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39 | 'tag' => '160x600_wideskyscraper', |
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40 | 'height' => '600', |
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41 | 'width' => '160', |
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42 | ), |
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43 | ); |
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44 | |||
45 | /** |
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46 | * Convenience function for grabbing options from params->options |
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47 | * @param string $option the option to grab |
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48 | * @param mixed $default (optional) |
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49 | * @return option or $default if not set |
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50 | * |
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51 | * @since 4.5.0 |
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52 | */ |
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53 | function option( $option, $default = false ) { |
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60 | |||
61 | /** |
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62 | * Instantiate the plugin |
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63 | * |
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64 | * @since 4.5.0 |
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65 | */ |
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66 | function __construct() { |
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69 | |||
70 | /** |
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71 | * Code to run on WordPress 'init' hook |
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72 | * |
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73 | * @since 4.5.0 |
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74 | */ |
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75 | function init() { |
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96 | |||
97 | /** |
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98 | * Check for Jetpack's The_Neverending_Home_Page and use got_infinity |
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99 | * @return boolean true if load came from infinite scroll |
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100 | * |
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101 | * @since 4.5.0 |
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102 | */ |
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103 | public static function is_infinite_scroll() { |
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108 | |||
109 | /** |
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110 | * Add the actions/filters to insert the ads. Checks for mobile or desktop. |
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111 | * |
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112 | * @since 4.5.0 |
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113 | */ |
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114 | private function insert_adcode() { |
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134 | |||
135 | /** |
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136 | * Add the actions/filters to insert extra-network features. |
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137 | * |
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138 | * @since 4.5.0 |
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139 | */ |
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140 | private function insert_extras() { |
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143 | |||
144 | /** |
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145 | * Register desktop scripts and styles |
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146 | * |
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147 | * @since 4.5.0 |
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148 | */ |
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149 | function enqueue_scripts() { |
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157 | |||
158 | /** |
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159 | * IPONWEB metadata used by the various scripts |
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160 | * @return [type] [description] |
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161 | */ |
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162 | function insert_head_meta() { |
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178 | |||
179 | /** |
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180 | * IPONWEB scripts in <head> |
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181 | * |
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182 | * @since 4.5.0 |
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183 | */ |
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184 | function insert_head_iponweb() { |
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188 | |||
189 | /** |
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190 | * Insert the ad onto the page |
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191 | * |
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192 | * @since 4.5.0 |
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193 | */ |
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194 | function insert_ad( $content ) { |
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212 | |||
213 | /** |
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214 | * Inserts ad into header |
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215 | * |
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216 | * @since 4.5.0 |
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217 | */ |
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218 | function insert_header_ad() { |
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235 | |||
236 | /** |
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237 | * Special cases for inserting header unit via jQuery |
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238 | * |
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239 | * @since 4.5.0 |
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240 | */ |
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241 | function insert_header_ad_special() { |
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276 | |||
277 | /** |
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278 | * Get the ad for the spot and type. |
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279 | * @param string $spot top, side, or belowpost |
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280 | * @param string $type iponweb or adsense |
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281 | */ |
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282 | function get_ad( $spot, $type = 'iponweb' ) { |
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322 | |||
323 | /** |
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324 | * Check the reasons to bail before we attempt to insert ads. |
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325 | * @return true if we should bail (don't insert ads) |
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326 | * |
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327 | * @since 4.5.0 |
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328 | */ |
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329 | public function should_bail() { |
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332 | |||
333 | /** |
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334 | * Returns markup for HTML5 house ad base on unit |
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335 | * @param string $unit mrec, widesky, or leaderboard |
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336 | * @return string markup for HTML5 house ad |
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337 | * |
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338 | * @since 4.7.0 |
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339 | */ |
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340 | public function get_house_ad( $unit = 'mrec' ) { |
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367 | |||
368 | /** |
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369 | * Activation hook actions |
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370 | * |
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371 | * @since 4.5.0 |
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372 | */ |
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373 | public static function activate() { |
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376 | } |
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377 | |||
384 |
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