WooCommerce Orders - Get total order weight in WP All Export

wc-get-total-order-weight.php

<?php
function my_get_total_order_weight( $order_id ) {
	$order        = wc_get_order( $order_id );
	$order_items  = $order->get_items();
	$total_qty    = 0;
        $total_weight = 0;
    
	foreach ( $order_items as $item_id => $product_item ) {
		$product         = $product_item->get_product();
		if ( ! $product ) continue;
                $product_weight  = $product->get_weight();        
		$quantity        = $product_item->get_quantity();
                $total_qty      += $quantity;
                $total_weight   += floatval( $product_weight * $quantity );
	}
	return $total_weight;
}

Check if the product exists, because it's possible the product was already deleted, but its still in an old order.

Check if the product exists, because it's possible the product was already deleted, but its still in an old order.

Good call, I added a check.