WooCommerce custom PDF plugin issue with order and order item data

Question

For my WooCommerce store, I am writing a plugin that when an item is placed, creates a PDF with a picking list and a delivery label. It all works, except I can not seem to get the items in the order, I can get the order status and other parts of the order just not the items.

    // Getting an instance of the WC_Order object from a defined ORDER ID
    $order = wc_get_order( $order_id );

    // Iterating through each "line" items in the order
    foreach ($order->get_items() as $item_id => $item ) {

    // Get an instance of corresponding the WC_Product object
    $product        = $item->get_product();
    $product_name   = $item->get_name(); // Get the item name (product name)
    $item_quantity  = $item->get_quantity(); // Get the item quantity


    // Add item name and quantity to the PDF (Picking List)
    $pdf->Cell(0, 10, "Product name: '.$product_name.' | Quantity: '.$item_quantity.'", 0, 1);
}

I have tried pushing the items to the debugging log, but it isn't showing the details of the items, and so I think it is the way I am getting the items, rather than an error with writing them to the PDF.

LoicTheAztec · Accepted Answer · 2023-10-14 01:02:56Z

1

First, you need to be sure that you are getting the right Order ID, as without that nothing works (just as you describe).

Try to enable WP_DEBUG as explained in How to debug in WooCommerce 3+ answer.

Then insert just before $order = wc_get_order( $order_id ); the following (temporary, for debug):

error_log( 'Order_id: ' . $order_id ); // Display the order ID in the debug.log file

if ( ! ( $order_id && $order_id > 0 ) ) {
    return; // Exit if not a numerical order ID greater than 0
}

Then when you are sure that you have the correct order ID related to the order, you can remove the debug code, and disable WP_DEBUG.

Now, there is a little mistake in the last code line (double quotes with single quotes string concatenation issue):

// Add item name and quantity to the PDF (Picking List)
  $pdf->Cell(0, 10, "Product name: '.$product_name.' | Quantity: '.$item_quantity.'", 0, 1);

Need to be replaced with:

// Add item name and quantity to the PDF (Picking List)
$pdf->Cell(0, 10, "Product name: {$product_name} | Quantity: {$item_quantity}", 0, 1);

or with:

// Add item name and quantity to the PDF (Picking List)
$pdf->Cell(0, 10, "Product name: ".$product_name." | Quantity: ".$item_quantity, 0, 1);

It should work.

answered Oct 14, 2023 at 0:37

LoicTheAztec

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3 Comments

Stan Williams 04 Over a year ago

Thanks, so i know i am getting the correct order number, as i already display the order number , the order status etc. in the pdf just to show me that i am pulling the correct information. I have tried all of your suggestions, but nothing, works, i am also not getting any errors. I have tried striping back all of the plugins that aren't necessary, but still nothing.

LoicTheAztec Over a year ago

The order number can be different from the order ID, so you need to be sure that you get the order ID.

Stan Williams 04 Over a year ago

Sorry, long day i meant the order, Id, i also get order status, customer id, date created, date modified and any other information, it just doesn't return anything to do with the items. I have removed plugins, changed the theme, it just doesn't provide the information. I have even tried it on two different servers.

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