Bei Bestellung extra PDF mit einbinden

function attach_pdf_to_email ( $attachments, $status , $order ) {


$allowed_statuses = array( 'completed' );


if( isset( $status ) && in_array ( $status, $allowed_statuses ) ) {


    $attachment_products = array(101, 102) // Erlaubte IDs
    $send_email = false;
    $order_items = $order->get_items();


    foreach ($order_items as $item) { // Loop bestellte Produkte
        if(in_array($item['product_id'], $attachment_products)) { // ID in erlaubte Produkte?
            $send_email = true;
            break; // Gefunden, exit.
        }
    }


    if($send_email) {
        $your_pdf_path = get_template_directory() . '/media/anleitung.pdf'; 
        $attachments[] = $your_pdf_path;
    }
} 
return $attachments; 
}
add_filter( 'woocommerce_email_attachments', 'attach_pdf_to_email', 10, 3);