XML & PHP Code DATA FEED RUN SCRIPT OPEN CART

Hello. I am a computer store retailer online and have two suppliers that has a product data feed in xml format. And product images which come with a php code to run script with images and xml. I use to be able to enter in my web address with php run code at end of it and would up load all files and images automatic when I need them to up date? To give you a idea of code here is link First Supplier Altech Computers [login to view URL] Is Altech [login to view URL] [login to view URL] Altech is my supplier Second Supplier Anyware Computers Have there images Haven't got xml feed yet but have attached a there way of sql For both supplier data feed images and xml need to be able to upload new images daily and xml files by running small code http code.