Get_Checkout_Order.php

<?php
    
    $data  = array(
              'payment' => 'bankdeposit',
              'customer'=> array(
                'email'   => '[email protected]',
                'name'    => 'Guest Customer',
                'address' => 'Address 123',
                'phone'   => '123456',
                'city'    => 'City',
                'state'   => 'State',
                'country' => 'US',
                'zip'     => '123'
              )
            )
    $quote = Mage::getModel('sales/quote')->setStoreId(Mage::app()->getStore('default')->getId());
		$quote->setCustomerEmail($data['customer']['email']);
		
		$prods = Mage::getSingleton('checkout/session')->getQuote()->getAllItems();
		
		foreach($prods as $product){	

			$buyInfo = array(
				'qty' => $product->getQty()
			);
			
			$productx = Mage::getModel('catalog/product')->load($product->getProduct()->getId());

			$quote->addProduct($productx, new Varien_Object($buyInfo));
		}

		$regionModel = Mage::getModel('directory/region')->loadByName($data['customer']['state'], $data['customer']['country']);
		$regionId 	 = $regionModel->getId();

		$addressData = array(
			'firstname'  => 'Guest',
			'lastname'   => 'Customer',
			'street'     => $data['customer']['address'],
			'city'       => $data['customer']['city'],
			'state'      => $data['customer']['state'],
			'postcode'   => $data['customer']['zip'],
			'telephone'  => $data['customer']['phone'],
			'country_id' => $data['customer']['country'],
			'region_id'  => $regionId
		);

		$billingAddress  = $quote->getBillingAddress()->addData($addressData);
		$shippingAddress = $quote->getShippingAddress()->addData($addressData);

		$shippingAddress->setCollectShippingRates(true)->collectShippingRates()
				->setShippingMethod('fedex')
				->setPaymentMethod($data['payment']);

		$quote->getPayment()->importData(array('method' => $data['payment']));

		$quote->collectTotals();    
		$quote->save();

		$service = Mage::getModel('sales/service_quote', $quote);

		$service->submitAll();
		$order = $service->getOrder();

		return $order->getIncrementId();
?>