Configurable Product - Get child product id

How to get child product id's from parent product id in magento2 for configurable product?

I want to get child product id of parent product in magento based on parent product id.

2 Answers
2

Try the below solution:

<?php
$productId = 5; //Configurable product ID
$_objectManager = MagentoFrameworkAppObjectManager::getInstance();
$_product = $_objectManager->create('MagentoCatalogModelProduct')->load($productId);
$_childProducts = $_product->getTypeInstance()->getUsedProducts($_product);
foreach ($_childProducts as $simpleProduct)
echo $simpleProduct->getId();

?>


Suggestion: Don't use object manager directly in your code as its not a best practice. You need to inject the product model class to your respective class then use it.

Try to use this code :

$objectManager = MagentoFrameworkAppObjectManager::getInstance();
$configProduct = $objectManager->create('MagentoCatalogModelProduct')->load($product_id);

$_children = $configProduct->getTypeInstance()->getUsedProducts($configProduct);

foreach ($_children as $child)
echo $child->getID();



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