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 |
||
17 | class ElementQuery extends BaseQuery |
||
18 | { |
||
19 | /** |
||
20 | * CIblock object or test double. |
||
21 | * |
||
22 | * @var object. |
||
23 | */ |
||
24 | public static $cIblockObject; |
||
25 | |||
26 | /** |
||
27 | * Query sort. |
||
28 | * |
||
29 | * @var array |
||
30 | */ |
||
31 | public $sort = ['SORT' => 'ASC']; |
||
32 | |||
33 | /** |
||
34 | * Query group by. |
||
35 | * |
||
36 | * @var array |
||
37 | */ |
||
38 | public $groupBy = false; |
||
39 | |||
40 | /** |
||
41 | * Iblock id. |
||
42 | * |
||
43 | * @var int |
||
44 | */ |
||
45 | protected $iblockId; |
||
46 | |||
47 | /** |
||
48 | * List of standard entity fields. |
||
49 | * |
||
50 | * @var array |
||
51 | */ |
||
52 | protected $standardFields = [ |
||
53 | 'ID', |
||
54 | 'TIMESTAMP_X', |
||
55 | 'TIMESTAMP_X_UNIX', |
||
56 | 'MODIFIED_BY', |
||
57 | 'DATE_CREATE', |
||
58 | 'DATE_CREATE_UNIX', |
||
59 | 'CREATED_BY', |
||
60 | 'IBLOCK_ID', |
||
61 | 'IBLOCK_SECTION_ID', |
||
62 | 'ACTIVE', |
||
63 | 'ACTIVE_FROM', |
||
64 | 'ACTIVE_TO', |
||
65 | 'SORT', |
||
66 | 'NAME', |
||
67 | 'PREVIEW_PICTURE', |
||
68 | 'PREVIEW_TEXT', |
||
69 | 'PREVIEW_TEXT_TYPE', |
||
70 | 'DETAIL_PICTURE', |
||
71 | 'DETAIL_TEXT', |
||
72 | 'DETAIL_TEXT_TYPE', |
||
73 | 'SEARCHABLE_CONTENT', |
||
74 | 'IN_SECTIONS', |
||
75 | 'SHOW_COUNTER', |
||
76 | 'SHOW_COUNTER_START', |
||
77 | 'CODE', |
||
78 | 'TAGS', |
||
79 | 'XML_ID', |
||
80 | 'EXTERNAL_ID', |
||
81 | 'TMP_ID', |
||
82 | 'CREATED_USER_NAME', |
||
83 | 'DETAIL_PAGE_URL', |
||
84 | 'LIST_PAGE_URL', |
||
85 | 'CREATED_DATE', |
||
86 | ]; |
||
87 | |||
88 | /** |
||
89 | * Constructor. |
||
90 | * |
||
91 | * @param object $bxObject |
||
92 | * @param string $modelName |
||
93 | */ |
||
94 | public function __construct($bxObject, $modelName) |
||
101 | |||
102 | /** |
||
103 | * Instantiate bitrix entity object. |
||
104 | * |
||
105 | * @throws Exception |
||
106 | * |
||
107 | * @return object |
||
108 | */ |
||
109 | public static function instantiateCIblockObject() |
||
121 | |||
122 | /** |
||
123 | * Setter for groupBy. |
||
124 | * |
||
125 | * @param $value |
||
126 | * |
||
127 | * @return $this |
||
128 | */ |
||
129 | public function groupBy($value) |
||
135 | |||
136 | public function cache($ttl) |
||
142 | |||
143 | /** |
||
144 | * Get list of items. |
||
145 | * |
||
146 | * @return Collection |
||
147 | */ |
||
148 | View Code Duplication | private function getListSimple() |
|
170 | |||
171 | public function getList() |
||
185 | |||
186 | private function getKey() |
||
198 | |||
199 | /** |
||
200 | * Get the first element with a given code. |
||
201 | * |
||
202 | * @param string $code |
||
203 | * |
||
204 | * @return ElementModel |
||
205 | */ |
||
206 | public function getByCode($code) |
||
212 | |||
213 | /** |
||
214 | * Get the first element with a given external id. |
||
215 | * |
||
216 | * @param string $id |
||
217 | * |
||
218 | * @return ElementModel |
||
219 | */ |
||
220 | public function getByExternalId($id) |
||
226 | |||
227 | /** |
||
228 | * Get count of elements that match $filter. |
||
229 | * |
||
230 | * @return int |
||
231 | */ |
||
232 | public function count() |
||
240 | |||
241 | // /** |
||
242 | // * Normalize properties's format converting it to 'PROPERTY_"CODE"_VALUE'. |
||
243 | // * |
||
244 | // * @param array $fields |
||
245 | // * |
||
246 | // * @return null |
||
247 | // */ |
||
248 | // protected function normalizePropertyResultFormat(&$fields) |
||
249 | // { |
||
250 | // if (empty($fields['PROPERTIES'])) { |
||
251 | // return; |
||
252 | // } |
||
253 | // |
||
254 | // foreach ($fields['PROPERTIES'] as $code => $prop) { |
||
255 | // $fields['PROPERTY_'.$code.'_VALUE'] = $prop['VALUE']; |
||
256 | // $fields['~PROPERTY_'.$code.'_VALUE'] = $prop['~VALUE']; |
||
257 | // $fields['PROPERTY_'.$code.'_DESCRIPTION'] = $prop['DESCRIPTION']; |
||
258 | // $fields['~PROPERTY_'.$code.'_DESCRIPTION'] = $prop['~DESCRIPTION']; |
||
259 | // $fields['PROPERTY_'.$code.'_VALUE_ID'] = $prop['PROPERTY_VALUE_ID']; |
||
260 | // if (isset($prop['VALUE_ENUM_ID'])) { |
||
261 | // $fields['PROPERTY_'.$code.'_ENUM_ID'] = $prop['VALUE_ENUM_ID']; |
||
262 | // } |
||
263 | // } |
||
264 | // } |
||
265 | |||
266 | /** |
||
267 | * Normalize filter before sending it to getList. |
||
268 | * This prevents some inconsistency. |
||
269 | * |
||
270 | * @return array |
||
271 | */ |
||
272 | protected function normalizeFilter() |
||
278 | |||
279 | /** |
||
280 | * Normalize select before sending it to getList. |
||
281 | * This prevents some inconsistency. |
||
282 | * |
||
283 | * @return array |
||
284 | */ |
||
285 | View Code Duplication | protected function normalizeSelect() |
|
300 | |||
301 | /** |
||
302 | * Add all iblock property codes to select. |
||
303 | * |
||
304 | * return null |
||
305 | */ |
||
306 | protected function addAllPropsToSelect() |
||
317 | } |
||
318 |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: