_wc_recount_terms_by_product() │ WC 5.2

Recounts product category, tag, and brand terms by product.

Internal function — this function is designed to be used by the kernel itself. It is not recommended to use this function in your code.

No Hooks.

Returns

void. Nothing (null).

Usage

_wc_recount_terms_by_product( $product_id );
$product_id(int)
The ID of the product.
Default: ''

Changelog

Since 5.2 Introduced.

_wc_recount_terms_by_product() code WC 11.2.1

woocommerce/includes/wc-term-functions.php 
function _wc_recount_terms_by_product( $product_id = '' ) {
	if ( empty( $product_id ) ) {
		return;
	}

	$product_terms = get_the_terms( $product_id, 'product_cat' );

	if ( $product_terms ) {
		$product_cats = array();

		foreach ( $product_terms as $term ) {
			$product_cats[ $term->term_id ] = $term->parent;
		}

		_wc_term_recount( $product_cats, get_taxonomy( 'product_cat' ), false, false );
	}

	$product_terms = get_the_terms( $product_id, 'product_tag' );

	if ( $product_terms ) {
		$product_tags = array();

		foreach ( $product_terms as $term ) {
			$product_tags[ $term->term_id ] = $term->parent;
		}

		_wc_term_recount( $product_tags, get_taxonomy( 'product_tag' ), false, false );
	}

	$product_terms = get_the_terms( $product_id, 'product_brand' );

	if ( is_array( $product_terms ) ) {
		$product_brands = array();

		foreach ( $product_terms as $term ) {
			$product_brands[ $term->term_id ] = $term->parent;
		}

		$product_brand_taxonomy = get_taxonomy( 'product_brand' );

		if ( $product_brand_taxonomy instanceof WP_Taxonomy ) {
			_wc_term_recount( $product_brands, $product_brand_taxonomy, false, false );
		}
	}
}