woocommerce_email_attachments хук-фильтр . WC 1.0

Get email attachments.

Использование

add_filter( 'woocommerce_email_attachments', 'filter_function_name_3314', 10, 4 );
function filter_function_name_3314( $array, $id, $object, $that ){
	// filter...

	return $array;
}

$array

-

$id

-

$object

-

$that

-

Где вызывается хук

return apply_filters( 'woocommerce_email_attachments', array(), $this->id, $this->object, $this );

apply_filters( 'woocommerce_email_attachments', array(), 'low_stock', $product, null )

apply_filters( 'woocommerce_email_attachments', array(), 'no_stock', $product, null )

apply_filters( 'woocommerce_email_attachments', array(), 'backorder', $args, null )

Где используется хук в ядре WooCommerce