Automattic\WooCommerce\Internal\ProductFilters

TaxonomyHierarchyData::compute_descendants │ private │ WC 1.0

Compute all descendants of a term.

Method of the class: TaxonomyHierarchyData{}

No Hooks.

Returns

Array. Array of descendant term IDs.

Usage

// private - for code of main (parent) class only
$result = $this->compute_descendants( $term_id, $children ): array;

$term_id(int) (required)

The term ID.

$children(array) (required)

Children relationships map.

TaxonomyHierarchyData::compute_descendants() TaxonomyHierarchyData::compute descendants code ^{WC 10.3.3}

private function compute_descendants( int $term_id, array $children ): array {
	$descendants = array();

	if ( ! isset( $children[ $term_id ] ) ) {
		return $descendants;
	}

	foreach ( $children[ $term_id ] as $child_id ) {
		$descendants[] = $child_id;
		$descendants   = array_merge( $descendants, $this->compute_descendants( $child_id, $children ) );
	}

	return array_unique( $descendants );
}