Automattic\WooCommerce\Internal\StockNotifications\Utilities

StockManagementHelper::get_managed_variations │ public │ WC 1.0

Get a list of variations that inherit stock management from the parent.

If the product is a variable product, we need sync the children that don't manage stock.

Method of the class: StockManagementHelper{}

No Hooks.

Returns

Array. Array of variation IDs that inherit stock management from the parent.

Usage

$StockManagementHelper = new StockManagementHelper();
$StockManagementHelper->get_managed_variations( $product ): array;
$product(WC_Product) (required)
The product to check.

StockManagementHelper::get_managed_variations() code WC 10.3.6

woocommerce/src/Internal/StockNotifications/Utilities/StockManagementHelper.php 
public function get_managed_variations( WC_Product $product ): array {
	if ( ! $product->is_type( ProductType::VARIABLE ) ) {
		return array();
	}

	$product_id = $product->get_id();
	if ( isset( $this->managed_variations[ $product_id ] ) ) {
		return $this->managed_variations[ $product_id ];
	}

	$children = $product->get_children();
	if ( empty( $children ) ) {
		return array();
	}

	global $wpdb;

	$format           = array_fill( 0, count( $children ), '%d' );
	$query_in         = '(' . implode( ',', $format ) . ')';
	$managed_children = $wpdb->get_col( $wpdb->prepare( "SELECT DISTINCT post_id FROM $wpdb->postmeta WHERE meta_key = '_manage_stock' AND meta_value != 'yes' AND post_id IN {$query_in}", $children ) ); // @codingStandardsIgnoreLine.

	$this->managed_variations[ $product_id ] = array_map( 'intval', $managed_children );

	return $this->managed_variations[ $product_id ];
}