woocommerce_variation_is_visible хук-фильтр . WC 1.0

Checks if this particular variation is visible. Invisible variations are enabled and can be selected, but no price / stock info is displayed. Instead, a suitable 'unavailable' message is displayed. Invisible by default: Disabled variations and variations with an empty price.

Использование

add_filter( 'woocommerce_variation_is_visible', 'filter_function_name_2237', 10, 4 );
function filter_function_name_2237( $condition, $id, $parent_id, $that ){
	// filter...

	return $condition;
}

$condition

-

$id

-

$parent_id

-

$that

-

Где вызывается хук

return apply_filters( 'woocommerce_variation_is_visible', 'publish' === get_post_status( $this->get_id() ) && '' !== $this->get_price(), $this->get_id(), $this->get_parent_id(), $this );

Где используется хук в ядре WooCommerce