WooCommerce: Item Custom Field @ Edit Order Page

Alright, this title may not really help you understand what I mean, so let’s put it in another way. When, as an administrator, you edit an order and are in the Order Items table, you have the chance to edit the item quantity, subtotal and discounted price (see screenshot below).

Now, what if you also want to have the freedom to display and edit another custom field, so that it is saved inside the order once you hit the “Save” button?

This could be useful for custom setups – for example let’s imagine the admin has the necessity to also define the “shipped quantity”, so that they know exactly if a specific order has been entirely fulfilled or requires a second shipment to get completed.

Either way, see the screenshot below, play with the snippet, and see how it goes. Enjoy!

PHP Snippet: Add Custom Column to Item Table @ WooCommerce Edit Order Page

/**
 * @snippet       Custom Order Items Column @ Admin
 * @how-to        Get CustomizeWoo.com FREE
 * @author        Rodolfo Melogli
 * @compatible    WooCommerce 7
 * @community     https://businessbloomer.com/club/
 */

add_action( 'woocommerce_admin_order_item_headers', 'bbloomer_admin_order_item_headers' );

function bbloomer_admin_order_item_headers( $order ) {
    echo '<th class="shipped sortable" data-sort="int">Qty Shipped</th>';
}

add_action( 'woocommerce_admin_order_item_values', 'bbloomer_admin_order_item_values', 9999, 3 );

function bbloomer_admin_order_item_values( $product, $item, $item_id ) {
    if ( $product ) {
		  $shipped = $item->get_meta( 'order_item_shipped' ) ? $item->get_meta( 'order_item_shipped' ) : 0;
        echo '<td class="shipped" width="1%"><div class="view"><small class="times">x</small> ' . $shipped . '</div><div class="edit" style="display: none;"><input type="number" name="order_item_shipped[' . $item_id . ']" placeholder="0" value="' . $shipped . '" class="" max="' . $item->get_quantity() . '"></div></td>';                
    }
}

add_action( 'woocommerce_before_save_order_item', 'bbloomer_change_qty_shipped', 9999 );

function bbloomer_change_qty_shipped( $item ) {
	if ( $item->get_type() !== 'line_item' ) return;
	if ( ! $_POST ) return;
	if ( isset( $_POST['items'] ) ) {
		// ITS AJAX SAVE
		parse_str( rawurldecode( $_POST['items'] ), $output );
	} else {
		$output = $_POST;
	}
	$item->update_meta_data( 'order_item_shipped', $output['order_item_shipped'][$item->get_id()] );
}

Where to add custom code?

You should place custom PHP in functions.php and custom CSS in style.css of your child theme: where to place WooCommerce customization?

This code still works, unless you report otherwise. To exclude conflicts, temporarily switch to the Storefront theme, disable all plugins except WooCommerce, and test the snippet again: WooCommerce troubleshooting 101

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Rodolfo Melogli

Business Bloomer Founder

Author, WooCommerce expert and WordCamp speaker, Rodolfo has worked as an independent WooCommerce freelancer since 2011. His goal is to help entrepreneurs and developers overcome their WooCommerce nightmares. Rodolfo loves travelling, chasing tennis & soccer balls and, of course, wood fired oven pizza. Follow @rmelogli