woocommerce_product_post_type_link_parent_category_only │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_product_post_type_link_parent_category_only', 'wp_kama_woocommerce_product_post_type_link_parent_category_only_filter' );

/**
 * Function for `woocommerce_product_post_type_link_parent_category_only` filter-hook.
 * 
 * @param  $false 
 *
 * @return 
 */
function wp_kama_woocommerce_product_post_type_link_parent_category_only_filter( $false ){

	// filter...
	return $false;
}

$false

-

Where the hook is called

if ( apply_filters( 'woocommerce_product_post_type_link_parent_category_only', false ) ) {

Where the hook is used in WooCommerce