Passing more order information to Stripe

Great. Here's what I've got so far:

$customer_name = perch_member_get('first_name');
            $customer_surname = perch_member_get('last_name');
            $customer_email = perch_member_get('email');
            $customer_order = ??;

            if (perch_member_logged_in() && perch_post('stripeToken')) {

            $return_url = '/pay/success';
            $cancel_url = '/pay/error';

            perch_shop_checkout('stripe', [
            'return_url' => $return_url,
            'cancel_url' => $cancel_url,
            'token' => perch_post('stripeToken'),
            'metadata' => [
                'firstname' => $customer_name,
                'surname' => $customer_surname,
                'email' => $customer_email,
                'purchase' => $customer_order,
                ],
            ]);
            }

For my $customer_order is there a way I can pass in what the customer has in their cart?

It works for the 'perch:shop' cart values but I can't seem to be able to grab the 'perch:cartitem' values which is what I need (title/description). Here's what I've got:

// pass on to stripe
    $customer_firstname = perch_member_get('first_name');
    $customer_surname = perch_member_get('last_name');
    $customer_name = $customer_firstname . ' ' . $customer_surname;
    $customer_email = perch_member_get('email');

    $cart = perch_shop_cart(['skip-template'=>true]);
    $customer_order = $cart['title'];

    // stripe urls
    if (perch_member_logged_in() && perch_post('stripeToken')) {

    $return_url = '/pay/success';
    $cancel_url = '/pay/error';

    // stripe data
    perch_shop_checkout('stripe', [
    'return_url' => $return_url,
    'cancel_url' => $cancel_url,
    'token' => perch_post('stripeToken'),
    'metadata' => [
        'email' => $customer_email,
        'name' => $customer_name,
        'purchased' => $customer_order,
        ],
    ]);
    }

The following works fine so I know I can access the template data:

$cart = perch_shop_cart(['skip-template'=>true]);
$customer_order = $cart['currency_code'];
...
<?php echo $customer_order ?>

But if I use the following nothing gets output (as if 'title' doesn't exist in the template):

$cart = perch_shop_cart(['skip-template'=>true]);
$customer_order = $cart['title'];
...
<?php echo $customer_order ?>

I'm trying to access <perch:cartitem id="title" />

Array ( [discount_code] => [promotions] => Array ( ) [product_count] => 1 [item_count] => 1 [items] => Array ( [0] => Array ( [discount] => 0 [price_with_tax] => 300.00 [price_with_tax_formatted] => £300.00 [price_without_tax] => 300.00 [price_without_tax_formatted] => £300.00 [tax] => 0.00 [tax_discount] => 0 [tax_formatted] => £0.00 [tax_rate] => 0 [total_tax] => 0.00 [total_tax_formatted] => £0.00 [total_with_tax] => 300.00 [total_with_tax_formatted] => £300.00 [total_without_tax] => 300.00 [total_without_tax_formatted] => £300.00 [weight] => 0 [sku] => argentina_teach_learn [title] => Pay deposit: £300 [Product] => PerchShop_Product Object ( [factory_classname:protected] => PerchShop_Products [table:protected] => perch2_shop_products [pk:protected] => productID [index_table:protected] => shop_index [modified_date_column:protected] => productUpdated [deleted_date_column] => productDeleted [duplicate_fields:protected] => Array ( [productStockOnParent] => stock_location [productSlug] => slug [productStatus] => status ) [pk_is_int:protected] => 1 [date_fields:protected] => Array ( ) [api:protected] => PerchAPI Object ( [app_id] => perch_shop [version] => 1 [Lang:PerchAPI:private] => ) [db:protected] => [details:protected] => Array ( [productID] => 20 [title] => Pay deposit: £300 [sku] => argentina_teach_learn [productSlug] => pay-deposit-gbp-300-argentinateachlearn [stock_level] => [parentID] => [productVariantDesc] => [productOrder] => 1 [productHasVariants] => 0 [productStockOnParent] => 0 [productDynamicFields] => {"slug":"pay-deposit-gbp-300-argentinateachlearn","status":"1","category":["39","40"],"price":{"47":"300","_default":"300"},"sale_price":{"47":"","_default":""},"trade_price":null,"on_sale":null,"tax_group":"1","stock_status":"0","max_in_cart":null} [productTemplate] => product.html [productCreated] => 2017-01-24 21:50:53 [productUpdated] => 2017-01-24 22:07:59 [productDeleted] => [productStatus] => 1 ) [event_prefix:protected] => [suppress_events] => 1 [can_log_resources:protected] => 1 ) [qty] => 1 [id] => 20 ) ) [shipping_id] => [shipping_method] => [shipping_tax] => 0.00 [shipping_tax_formatted] => £0.00 [shipping_tax_rate] => 0 [shipping_with_tax] => 0.00 [shipping_with_tax_formatted] => £0.00 [shipping_without_tax] => 0.00 [shipping_without_tax_formatted] => £0.00 [total_items] => 300.00 [total_items_formatted] => £300.00 [total_items_tax] => 0.00 [total_items_tax_formatted] => £0.00 [total_shipping] => 0.00 [total_shipping_formatted] => £0.00 [total_shipping_tax] => 0.00 [total_shipping_tax_formatted] => £0.00 [total_items_with_shipping] => 300.00 [total_items_with_shipping_formatted] => £300.00 [total_tax] => 0.00 [total_tax_formatted] => £0.00 [total_items_discount] => 0.00 [total_items_discount_formatted] => £0.00 [total_items_tax_discount] => 0.00 [total_items_tax_discount_formatted] => £0.00 [total_items_discounted] => 300.00 [total_items_discounted_formatted] => £300.00 [total_items_discounted_with_tax] => 300.00 [total_items_discounted_with_tax_formatted] => £300.00 [total_shipping_discount] => 0.00 [total_shipping_discount_formatted] => £0.00 [total_shipping_tax_discount] => 0.00 [total_shipping_tax_discount_formatted] => £0.00 [total_tax_discount] => 0.00 [total_tax_discount_formatted] => £0.00 [total_discounts] => 0.00 [total_discounts_formatted] => £0.00 [total_discounts_with_tax] => 0.00 [total_discounts_with_tax_formatted] => £0.00 [grand_total] => 300.00 [grand_total_formatted] => £300.00 [shipping_weight] => 0.00 [tax_rate_totals] => Array ( [0] => Array ( [exchange_rate] => unknown [tax_rate] => 0 [tax_rate_formatted] => 0 % [total_tax] => 0.00 [total_tax_formatted] => £0.00 [total_value] => 300.00 [total_value_formatted] => £300.00 [reporting_tax] => 0.00 [reporting_tax_formatted] => £0.00 [reporting_value] => 300.00 [reporting_value_formatted] => £300.00 ) ) [currency_id] => 47 [currency_code] => GBP [currency_name] => Pound sterling [currency_symbol] => £ )

I can see the information I want inside that array (sku, title, slug) but how do I get it out...

If I do:

$cart = perch_shop_cart(['skip-template'=>true]);
$customer_order = $cart['items'];
...
<?php echo $customer_order ?>

That outputs "Array". How do I specify the title and sku within the items array?

Could you help me with that please? My brain is hurting trying to figure it out!

With some help I have done it. For anyone else who needs this in future:

// pass to stripe basics
    $customer_firstname = perch_member_get('first_name');
    $customer_surname = perch_member_get('last_name');
    $customer_name = $customer_firstname . ' ' . $customer_surname;
    $customer_email = perch_member_get('email');

    // pass to stripe cart titles, skus
    $cart = perch_shop_cart(['skip-template'=>true]);
    $cart_items = $cart['items'];

    foreach($cart_items as $item) {
      $product_titles[] = $item['title'];
      $product_skus[] = $item['sku'];
    }

    $product_title = implode(', ', $product_titles);
    $product_sku = implode(', ', $product_skus);

    // stripe data
    perch_shop_checkout('stripe', [
    'return_url' => $return_url,
    'cancel_url' => $cancel_url,
    'token' => perch_post('stripeToken'),
    'metadata' => [
        'email' => $customer_email,
        'name' => $customer_name,
        'product(s)' => $product_title,
        'sku(s)' => $product_sku,
        ],
    ]);
    }

Can I also use the metadata to pass information to Paypal? The order description in paypal currently shows as "Order #X" which isn't very.... descriptive.

No result - nothing is being passed to the paypal checkout or is visible in the transaction details. I tried:

perch_shop_checkout('paypal-express', [
    'return_url' => $return_url,
    'cancel_url' => $cancel_url,
    'metadata' => [
        'email' => 'testing@testing.com',
        'name' => 'testing name',
        'product(s)' => 'testing product',
        'sku(s)' => 'testing sku',
        'description' => 'testing desc'
        ],
    ]);

That would be great because currently in Paypal there's no way of knowing what the customer bought, only the amount they paid. You'd have to cross-check with the Perch admin to find out the purchase.

Will you post back here when you've found the answer?

Thanks.