在 Magento 中，我有一個包含產品的數組，我想從這些產品中獲得它們所在的類別。這就是我所擁有的，但我正在使用 foreach 來瀏覽產品，因此需要刪除重復項.我已經有了 foreach 的類別名稱，但是現在需要刪除一些重復項。<?php foreach ($_productCollection as $_product): ?> <div class="bk-all-products"> <?php $bk_product_id = $_product->getCategoryIds(); $bk_category_id = $bk_product_id[1]; $categoryId = $bk_category_id; $_objectManager = \Magento\Framework\App\ObjectManager::getInstance(); $category = $_objectManager->create('Magento\Catalog\Model\Category') ->load($categoryId); $bk_category_id_name = $category->getName(); echo $bk_category_id_name; echo "<br><br>"; ?> </div><?php endforeach; ?>附加信息當我還在 foreach 中打印數組時，這就是返回值：數組 ( [0] => 354 [1] => 362 [2] => 360 [3] => 414) Cafe?nevrije koffie數組 ( [0] => 354 [1] => 362 [2] => 364 [3] => 414) Cafe?nevrije koffie數組 ( [0] => 354 [1] => 367 ) Koffiepakketten數組 ( [0] => 354 [1] => 364 )數組 ( [0] => 354 [1] => 360 ) 濃縮咖啡數組（[0] => 354 [1] => 360 [2] => 414）Espressokoffie數組（[0] => 354 [1] => 364 [2] => 414）數組（[0] => 354 [1] => 360 [2] => 414）Espressokoffie數組 ( [0] => 354 [1] => 367 ) Koffiepakketten數組 ( [0] => 354 [1] => 367 ) Koffiepakketten數組 ( [0] => 367 [1] => 354 )數組 ( [0] => 367 [1] => 354 )
1 回答
有只小跳蛙
TA貢獻1824條經驗 獲得超8個贊
最簡單的方法是將已經顯示的類別存儲在 an 中，Array并使用in_array檢查您要顯示的類別是否已經在其中
編輯：存儲 id 可能比存儲名稱更好，因為如果已經獲取，您可以避免獲取名稱：
<?php
$diplayed_categories = []; //initializing array
foreach ($_productCollection as $_product):
?>
<div class="bk-all-products">
<?php
$bk_product_id = $_product->getCategoryIds();
$bk_category_id = $bk_product_id[1];
if(!in_array($bk_category_id, $diplayed_categories)){ //testing if not in array
$diplayed_categories[] = $bk_category_id; //filling the array
//moved inside the if, no need to fetch it again if it exists
//$categoryId = $bk_category_id; //useless var
$_objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$category = $_objectManager->create('Magento\Catalog\Model\Category')
->load($bk_category_id); //replaced by $bk_category_id
$bk_category_id_name = $category->getName();
echo $bk_category_id_name;
echo "<br><br>";
}
?>
</div>
<?php endforeach; ?>
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