nazar-pc /
CleverStyle-Framework
Complex classes like Items 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 Items, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 47 | class Items { |
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| 48 | use CRUD_helpers { |
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| 49 | search as crud_search; |
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| 50 | } |
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| 51 | use |
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| 52 | Singleton; |
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| 53 | |||
| 54 | const DEFAULT_IMAGE = 'components/modules/Shop/includes/img/no-image.svg'; |
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| 55 | |||
| 56 | protected $data_model = [ |
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| 57 | 'id' => 'int', |
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| 58 | 'date' => 'int', |
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| 59 | 'category' => 'int', |
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| 60 | 'price' => 'float', |
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| 61 | 'in_stock' => 'int', |
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| 62 | 'soon' => 'int:0..1', |
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| 63 | 'listed' => 'int:0..1', |
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| 64 | 'attributes' => [ |
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| 65 | 'data_model' => [ |
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| 66 | 'id' => 'int', |
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| 67 | 'attribute' => 'int', |
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| 68 | 'numeric_value' => 'float', |
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| 69 | 'string_value' => 'text', |
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| 70 | 'text_value' => 'html', |
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| 71 | 'lang' => 'text' // Some attributes are language-dependent, some aren't, so we'll handle that manually |
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| 72 | ] |
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| 73 | ], |
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| 74 | 'images' => [ |
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| 75 | 'data_model' => [ |
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| 76 | 'id' => 'int', |
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| 77 | 'image' => 'text' |
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| 78 | ] |
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| 79 | ], |
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| 80 | 'videos' => [ |
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| 81 | 'data_model' => [ |
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| 82 | 'id' => 'int', |
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| 83 | 'video' => 'text', |
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| 84 | 'poster' => 'text', |
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| 85 | 'type' => 'text' |
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| 86 | ] |
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| 87 | ], |
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| 88 | 'tags' => [ |
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| 89 | 'data_model' => [ |
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| 90 | 'id' => 'int', |
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| 91 | 'tag' => 'html' |
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| 92 | ], |
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| 93 | 'language_field' => 'lang' |
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| 94 | ] |
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| 95 | ]; |
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| 96 | protected $table = '[prefix]shop_items'; |
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| 97 | protected $data_model_files_tag_prefix = 'Shop/items'; |
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| 98 | /** |
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| 99 | * @var Prefix |
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| 100 | */ |
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| 101 | protected $cache; |
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| 102 | |||
| 103 | protected function construct () { |
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| 106 | /** |
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| 107 | * Returns database index |
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| 108 | * |
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| 109 | * @return int |
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| 110 | */ |
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| 111 | protected function cdb () { |
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| 114 | /** |
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| 115 | * Get item |
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| 116 | * |
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| 117 | * @param int|int[] $id |
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| 118 | * |
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| 119 | * @return array|false |
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| 120 | */ |
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| 121 | function get ($id) { |
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| 156 | /** |
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| 157 | * Transform normalized attributes structure back into simple initial structure |
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| 158 | * |
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| 159 | * @param array $attributes |
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| 160 | * @param string $clang |
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| 161 | * |
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| 162 | * @return array |
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| 163 | */ |
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| 164 | protected function read_attributes_processing ($attributes, $clang) { |
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| 204 | /** |
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| 205 | * Transform tags ids back into array of strings |
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| 206 | * |
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| 207 | * @param int[] $tags |
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| 208 | * |
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| 209 | * @return string[] |
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| 210 | */ |
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| 211 | protected function read_tags_processing ($tags) { |
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| 214 | /** |
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| 215 | * Get item data for specific user (price might be adjusted, some items may be restricted and so on) |
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| 216 | * |
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| 217 | * @param int|int[] $id |
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| 218 | * @param bool|int $user |
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| 219 | * |
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| 220 | * @return array|false |
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| 221 | */ |
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| 222 | function get_for_user ($id, $user = false) { |
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| 246 | /** |
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| 247 | * Get array of all items |
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| 248 | * |
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| 249 | * @return int[] Array of items ids |
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| 250 | */ |
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| 251 | function get_all () { |
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| 262 | /** |
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| 263 | * Items search |
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| 264 | * |
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| 265 | * @param mixed[] $search_parameters Array in form [attribute => value], [attribute => [value, value]], [attribute => [from => value, to => value]], |
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| 266 | * [property => value], [tag] or mixed; if `total_count => 1` element is present - total number of found rows will be |
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| 267 | * returned instead of rows themselves |
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| 268 | * @param int $page |
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| 269 | * @param int $count |
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| 270 | * @param string $order_by |
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| 271 | * @param bool $asc |
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| 272 | * |
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| 273 | * @return array|false|string |
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| 274 | */ |
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| 275 | function search ($search_parameters = [], $page = 1, $count = 20, $order_by = 'id', $asc = false) { |
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| 352 | /** |
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| 353 | * @param int $type |
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| 354 | * |
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| 355 | * @return string |
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| 356 | */ |
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| 357 | protected function attribute_type_to_value_field ($type) { |
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| 379 | /** |
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| 380 | * Add new item |
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| 381 | * |
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| 382 | * @param int $category |
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| 383 | * @param float $price |
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| 384 | * @param int $in_stock |
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| 385 | * @param int $soon |
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| 386 | * @param int $listed |
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| 387 | * @param array $attributes |
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| 388 | * @param string[] $images |
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| 389 | * @param array[] $videos |
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| 390 | * @param string[] $tags |
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| 391 | * |
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| 392 | * @return false|int Id of created item on success of <b>false</> on failure |
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1 ignored issue
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show
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| 393 | */ |
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| 394 | function add ($category, $price, $in_stock, $soon, $listed, $attributes, $images, $videos, $tags) { |
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| 421 | /** |
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| 422 | * Normalize attributes array structure |
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| 423 | * |
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| 424 | * @param array $attributes |
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| 425 | * @param int $category |
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| 426 | * @param string $clang |
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| 427 | * |
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| 428 | * @return array |
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| 429 | */ |
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| 430 | protected function prepare_attributes ($attributes, $category, $clang) { |
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| 473 | /** |
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| 474 | * Filter images to remove non-URL elements |
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| 475 | * |
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| 476 | * @param array $images |
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| 477 | * |
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| 478 | * @return array |
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| 479 | */ |
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| 480 | protected function prepare_images ($images) { |
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| 488 | /** |
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| 489 | * Normalize videos array structure |
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| 490 | * |
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| 491 | * @param array[] $videos |
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| 492 | * |
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| 493 | * @return array[] |
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| 494 | */ |
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| 495 | protected function prepare_videos ($videos) { |
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| 518 | /** |
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| 519 | * Transform array of string tags into array of their ids |
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| 520 | * |
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| 521 | * @param string[] $tags |
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| 522 | * |
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| 523 | * @return int[] |
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| 524 | */ |
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| 525 | protected function prepare_tags ($tags) { |
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| 528 | /** |
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| 529 | * Set data of specified item |
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| 530 | * |
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| 531 | * @param int $id |
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| 532 | * @param int $category |
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| 533 | * @param float $price |
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| 534 | * @param int $in_stock |
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| 535 | * @param int $soon |
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| 536 | * @param int $listed |
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| 537 | * @param array $attributes |
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| 538 | * @param string[] $images |
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| 539 | * @param array[] $videos |
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| 540 | * @param string[] $tags |
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| 541 | * |
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| 542 | * @return bool |
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| 543 | */ |
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| 544 | function set ($id, $category, $price, $in_stock, $soon, $listed, $attributes, $images, $videos, $tags) { |
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| 583 | /** |
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| 584 | * Delete specified item |
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| 585 | * |
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| 586 | * @param int $id |
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| 587 | * |
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| 588 | * @return bool |
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| 589 | */ |
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| 590 | function del ($id) { |
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| 607 | } |
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| 608 |
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This check compares the return type specified in the
@returnannotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch.