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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14 | class Album extends AbstractApi |
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15 | { |
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16 | /** |
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17 | * @var AlbumMapper |
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18 | */ |
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19 | protected $albumMapper; |
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20 | |||
21 | /** |
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22 | * Album constructor. |
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23 | * @param HttpClientInterface $httpClient |
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24 | * @param AlbumMapper $albumMapper |
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25 | */ |
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26 | public function __construct(HttpClientInterface $httpClient, AlbumMapper $albumMapper) |
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31 | |||
32 | /** |
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33 | * Get information about a specific album |
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34 | * |
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35 | * @param $id |
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36 | * @return AlbumInterface |
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37 | */ |
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38 | public function get($id) |
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48 | |||
49 | /** |
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50 | * Create a new album |
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51 | * |
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52 | * @param array $ids Ids of the images you want to add to the album |
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53 | * @param string $title |
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54 | * @param string $description |
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55 | * @param string $privacy |
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56 | * @param string $layout |
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57 | * @param string $cover |
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58 | * @return AlbumInterface |
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59 | */ |
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60 | public function create( |
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104 | |||
105 | /** |
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106 | * Update album |
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107 | * |
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108 | * @param string $id Imgur Id of the album |
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109 | * @param array $ids Ids of the images you want to add to the album |
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110 | * @param string $title |
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111 | * @param string $description |
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112 | * @param string $privacy |
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113 | * @param string $layout |
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114 | * @param string $cover |
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115 | * @return bool |
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116 | */ |
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117 | public function update( |
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155 | |||
156 | /** |
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157 | * Delete an album |
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158 | * |
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159 | * @param string $id Imgur Id or deletehash of the album |
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160 | * @return bool |
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161 | */ |
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162 | public function delete($id) |
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170 | |||
171 | /** |
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172 | * Favorite an album |
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173 | * |
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174 | * @param string $id |
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175 | * @return bool |
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176 | */ |
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177 | public function favorite($id) |
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185 | |||
186 | /** |
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187 | * Sets the images for an album, removes all other images and only uses the images in this request. |
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188 | * |
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189 | * @param string $id |
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190 | * @param array $ids |
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191 | * @return bool |
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192 | */ |
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193 | View Code Duplication | public function setImages($id, array $ids) |
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209 | |||
210 | /** |
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211 | * Adds images to an album |
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212 | * |
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213 | * @param string $id |
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214 | * @param array $ids |
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215 | * @return bool |
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216 | */ |
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217 | View Code Duplication | public function addImages($id, array $ids) |
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233 | |||
234 | /** |
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235 | * Removes images from an album |
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236 | * |
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237 | * @param string $id |
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238 | * @param array $ids |
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239 | * @return bool |
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240 | */ |
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241 | View Code Duplication | public function removeImages($id, array $ids) |
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257 | } |
In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: