SUCCESS! I finally found the culprit. I had an empty language variable in my database and it was causing all the problems!!! So, let that be a lesson to you.
My code change above will protect your store from blank language variables in your database, at least in older versions. Since the new x-cart code often doesn't return arrays with a [0] element, it might not be so good for newer installations, but it will make your cart bulletproof from empty language variables in older carts.
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www.brettbrewer.com
Getting back into x-cart dev after a long hiatus. Modded lots of x-carts from version 3.1.x to 4.1.x. Developer of ImageScaler mod, Pre-login per user coupon mod, Wordpress feed mod, DigitalSubscriptions mod, Phonetic bulk download keys addon for DownloadExpander mod, Serial Number Generator for ESD products, Custom CMS/LMS integrations, external products mod, and more.
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