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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| 11 | class Model extends BaseModel  | 
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| 12 | { | 
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| 13 | /**  | 
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| 14 | * The object type in WordPress  | 
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| 15 | */  | 
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| 16 | const OBJECT_TYPE = 'user';  | 
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| 17 | |||
| 18 | /**  | 
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| 19 | * The primary ID property on the object  | 
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| 20 | */  | 
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| 21 | const ID_PROPERTY = 'ID';  | 
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| 22 | |||
| 23 | /**  | 
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| 24 | * User Constructor.  | 
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| 25 | *  | 
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| 26 | * @param array|WP_User $user User object or array of attributes  | 
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| 27 | */  | 
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| 28 | public function __construct($user = null)  | 
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| 40 | |||
| 41 | /**  | 
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| 42 | * Create a new instance from the user ID.  | 
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| 43 | *  | 
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| 44 | * @param string|int $id User ID  | 
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| 45 | *  | 
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| 46 | * @throws UserNotFoundException  | 
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| 47 | *  | 
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| 48 | * @return static  | 
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| 49 | */  | 
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| 50 | View Code Duplication | public static function fromID($id)  | 
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| 58 | |||
| 59 | /**  | 
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| 60 | * Create a new instance from the username.  | 
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| 61 | *  | 
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| 62 | * @param string $username Username (login)  | 
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| 63 | *  | 
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| 64 | * @throws UserNotFoundException  | 
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| 65 | *  | 
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| 66 | * @return static  | 
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| 67 | */  | 
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| 68 | public static function fromUsername($username)  | 
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| 76 | |||
| 77 | /**  | 
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| 78 | * Create a new instance from the user's email address.  | 
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| 79 | *  | 
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| 80 | * @param string $email User email address  | 
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| 81 | *  | 
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| 82 | * @throws UserNotFoundException  | 
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| 83 | *  | 
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| 84 | * @return static  | 
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| 85 | */  | 
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| 86 | View Code Duplication | public static function fromEmail($email)  | 
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| 94 | |||
| 95 | /**  | 
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| 96 | * Create a new instance from the user's slug.  | 
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| 97 | *  | 
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| 98 | * @param string $slug User slug (nicename)  | 
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| 99 | *  | 
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| 100 | * @throws UserNotFoundException  | 
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| 101 | *  | 
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| 102 | * @return static  | 
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| 103 | */  | 
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| 104 | View Code Duplication | public static function fromSlug($slug)  | 
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                         1 ignored issue 
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| 105 |     { | 
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| 106 |         if (! $user = get_user_by('slug', $slug)) { | 
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| 107 |             throw new UserNotFoundException("No user found with slug: $slug"); | 
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| 108 | }  | 
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| 109 | |||
| 110 | return new static($user);  | 
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| 111 | }  | 
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| 112 | |||
| 113 | /**  | 
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| 114 | * Create a new instance using the currently authenticated user.  | 
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| 115 | *  | 
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| 116 | * @return static  | 
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| 117 | */  | 
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| 118 | public static function auth()  | 
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| 122 | |||
| 123 | /**  | 
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| 124 | * Get the URL for the user's posts archive.  | 
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| 125 | *  | 
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| 126 | * @return string  | 
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| 127 | */  | 
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| 128 | public function postsUrl()  | 
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| 132 | |||
| 133 | /**  | 
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| 134 | * Get a new query builder for the model.  | 
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| 135 | *  | 
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| 136 | * @return \Silk\Contracts\Query\BuildsQueries  | 
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| 137 | */  | 
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| 138 | public function newQuery()  | 
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| 142 | |||
| 143 | /**  | 
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| 144 | * Save the changes to the database.  | 
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| 145 | *  | 
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| 146 | * @throws WP_ErrorException  | 
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| 147 | *  | 
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| 148 | * @return $this  | 
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| 149 | */  | 
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| 150 | View Code Duplication | public function save()  | 
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| 166 | |||
| 167 | /**  | 
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| 168 | * Delete the modeled record from the database.  | 
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| 169 | *  | 
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| 170 | * @return $this  | 
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| 171 | */  | 
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| 172 | public function delete()  | 
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| 180 | |||
| 181 | /**  | 
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| 182 | * Reload the object from the database.  | 
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| 183 | *  | 
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| 184 | * @return $this  | 
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| 185 | */  | 
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| 186 | public function refresh()  | 
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| 192 | |||
| 193 | /**  | 
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| 194 | * Set the WP_User object on the model.  | 
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| 195 | *  | 
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| 196 | * @param WP_User $user  | 
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| 197 | *  | 
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| 198 | * @return $this  | 
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| 199 | */  | 
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| 200 | protected function setObject($user)  | 
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| 206 | |||
| 207 | /**  | 
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| 208 | * Normalize the user data object on the given User.  | 
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| 209 | *  | 
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| 210 | * This is necessary for object aliases and shorthand properties to work properly  | 
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| 211 | * due to the fact that the WP_User's data object is a plain object which  | 
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| 212 | * does not always contain all properties as is the case with other WP objects.  | 
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| 213 | *  | 
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| 214 | * @param WP_User $user  | 
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| 215 | *  | 
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| 216 | * @return WP_User  | 
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| 217 | */  | 
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| 218 | protected function normalizeData(WP_User $user)  | 
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| 239 | |||
| 240 | /**  | 
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| 241 | * Get the aliased object.  | 
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| 242 | *  | 
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| 243 | * Most user data from the database is stored as an object on the user's `data` property.  | 
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| 244 | *  | 
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| 245 | * @return object|\stdClass  | 
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| 246 | */  | 
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| 247 | protected function getAliasedObject()  | 
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| 251 | }  | 
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| 252 |