woocommerce_email_recipient_(id) хук-фильтр . WC 1.0

Get valid recipients.

Использование

add_filter( 'woocommerce_email_recipient_(id)', 'filter_function_name_8457', 10, 3 );
function filter_function_name_8457( $recipient, $object, $that ){
	// filter...

	return $recipient;
}

$recipient

-

$object

-

$that

-

Где вызывается хук

$recipient  = apply_filters( 'woocommerce_email_recipient_' . $this->id, $this->recipient, $this->object, $this );

Где используется хук в ядре WooCommerce