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 |
||
| 15 | class FacebookServiceAdapter extends AbstractServiceAdapter |
||
| 16 | { |
||
| 17 | const THUMBNAIL_SIZE_DEFAULT = 'default'; |
||
| 18 | |||
| 19 | /** |
||
| 20 | * AbstractVideoAdapter constructor. |
||
| 21 | * |
||
| 22 | * @param string $url |
||
| 23 | * @param string $pattern |
||
| 24 | * @param EmbedRendererInterface $renderer |
||
| 25 | */ |
||
| 26 | 19 | public function __construct($url, $pattern, EmbedRendererInterface $renderer) |
|
| 27 | { |
||
| 28 | 19 | $match = array(); |
|
| 29 | 19 | preg_match($pattern, $url, $match); |
|
| 30 | 19 | $this->setVideoId($match[1]); |
|
| 31 | |||
| 32 | 19 | return parent::__construct($url, $pattern, $renderer); |
|
| 33 | } |
||
| 34 | |||
| 35 | /** |
||
| 36 | * Returns the service name . |
||
| 37 | * |
||
| 38 | * @return string |
||
| 39 | */ |
||
| 40 | 1 | public function getServiceName() |
|
| 41 | { |
||
| 42 | 1 | return 'Facebook'; |
|
| 43 | } |
||
| 44 | |||
| 45 | /** |
||
| 46 | * Returns if the service has a thumbnail image. |
||
| 47 | * |
||
| 48 | * @return bool |
||
| 49 | */ |
||
| 50 | 1 | public function hasThumbnail() |
|
| 54 | |||
| 55 | /** |
||
| 56 | * Returns all thumbnails available sizes. |
||
| 57 | * |
||
| 58 | * @return array |
||
|
|
|||
| 59 | */ |
||
| 60 | 3 | public function getThumbNailSizes() |
|
| 64 | |||
| 65 | /** |
||
| 66 | * @param string $size |
||
| 67 | * |
||
| 68 | * @param bool $secure |
||
| 69 | * @return string |
||
| 70 | * @throws InvalidThumbnailSizeException |
||
| 71 | */ |
||
| 72 | 2 | View Code Duplication | public function getThumbnail($size, $secure = false) |
| 80 | |||
| 81 | /** |
||
| 82 | * Returns the small thumbnail's url. |
||
| 83 | * |
||
| 84 | * @param bool $secure |
||
| 85 | * @return string |
||
| 86 | * @throws ThumbnailSizeNotAvailable |
||
| 87 | */ |
||
| 88 | 1 | public function getSmallThumbnail($secure = false) |
|
| 92 | |||
| 93 | /** |
||
| 94 | * Returns the medium thumbnail's url. |
||
| 95 | * |
||
| 96 | * @param bool $secure |
||
| 97 | * @return string |
||
| 98 | * @throws InvalidThumbnailSizeException |
||
| 99 | */ |
||
| 100 | 1 | public function getMediumThumbnail($secure = false) |
|
| 104 | |||
| 105 | /** |
||
| 106 | * Returns the large thumbnail's url. |
||
| 107 | * |
||
| 108 | * @param bool $secure |
||
| 109 | * @return string |
||
| 110 | * @throws ThumbnailSizeNotAvailable |
||
| 111 | */ |
||
| 112 | 1 | public function getLargeThumbnail($secure = false) |
|
| 116 | |||
| 117 | /** |
||
| 118 | * Returns the largest thumbnail's url. |
||
| 119 | * |
||
| 120 | * @param bool $secure |
||
| 121 | * @return string |
||
| 122 | * @throws InvalidThumbnailSizeException |
||
| 123 | */ |
||
| 124 | 1 | public function getLargestThumbnail($secure = false) |
|
| 128 | |||
| 129 | /** |
||
| 130 | * @param bool $autoplay |
||
| 131 | * |
||
| 132 | * @param bool $secure |
||
| 133 | * @return string |
||
| 134 | */ |
||
| 135 | 3 | public function getEmbedUrl($autoplay = false, $secure = false) |
|
| 139 | |||
| 140 | /** |
||
| 141 | * @return bool |
||
| 142 | */ |
||
| 143 | 2 | public function isEmbeddable() |
|
| 147 | } |
||
| 148 |
This check looks for the generic type
arrayas a return type and suggests a more specific type. This type is inferred from the actual code.