paypal.php

<?php
# Prepare Data to send
		$params = array(
 			'USER' 			=> trim($this->config->get($classname . '_mid')),
 			'VENDOR' 		=> trim($this->config->get($classname . '_vendor')),
			'PARTNER'		=> trim($this->config->get($classname . '_partner')),
			'PWD' 			=> trim($this->config->get($classname . '_key')),
			'CREATESECURETOKEN'	=> 'Y',
			'TRXTYPE'		=> $this->config->get($classname . '_mode'),
			'AMT'			=> $amount,
			'CURRENCY'		=> $currency,
			'COMPANYNAME'		=> trim($order_info['payment_company']),
			'BILLTOFIRSTNAME'	=> trim($order_info['payment_firstname']),
			'BILLTOLASTNAME'	=> trim($order_info['payment_lastname']),
			'BILLTOSTREET'		=> trim($order_info['payment_address_1'] . ' ' . $order_info['payment_address_2']),
			'BILLTOCITY'		=> trim($order_info['payment_city']),
			'BILLTOSTATE'		=> trim($order_info['payment_zone_code']),
			'BILLTOZIP'		=> trim($order_info['payment_postcode']),
			'BILLTOCOUNTRY'		=> trim($order_info['payment_iso_code_2']),
			'CUSTIP'		=> trim($order_info['ip']),
			'CUSTOM'		=> ('ORDID-' . $order_info['order_id']),
			'EMAIL'			=> $order_info['email'],
			'PHONENUM'		=> $order_info['telephone'],
			'INVNUM'		=> ('INV' . $order_info['order_id']), // Paypal apparently requires this to start with a letter so I strip it later
			'RETURNURL' 		=> ($store_url . $classname.'_accept.php'),
			'ERRORURL' 		=> ($store_url . $classname.'_declined.php'),
			'CANCELURL' 		=> ($store_url . $classname.'_cancel.php'),
			'NOTIFYURL' 		=> ($store_url . $classname.'_callback.php'),
 		);


		##### ITEMIZED TOTALS. 1.5.0 or LATER ######
		if (!method_exists($this->document, 'addBreadcrumb') && $this->config->get($classname . '_itemized')) { //1.5.x
 			$itemAmt = 0;
 			$i = 0;

			### Itemized Products
			foreach ($this->cart->getProducts() as $product) {
				$description = $product['name'];
				if ($product['option']) {
					$values = array();
 					foreach ($product['option'] as $option) {
						if (isset($option['option_value'])) {
							$values[] = $option['name'].':'.$option['option_value'];
						} elseif (isset($option['value'])) {
							$values[] = $option['name'].':'.$option['value'];
						}
					}
					if ($values) {
						$description = implode(', ', $values);
					} else {
						$description = '';
					}
				}
				$params["L_NAME$i"] = html_entity_decode($product['name'], ENT_QUOTES, "ISO-8859-1");
				$params["L_SKU$i"]  = $product['model'];
				$params["L_DESC$i"] = (substr(html_entity_decode($description, ENT_QUOTES, "ISO-8859-1"), 0, 110) . '...');
				$params["L_QTY$i"]  = $product['quantity'];
				$params["L_COST$i"] = $this->currency->format(($product['price'] * $product['quantity']), $currency, FALSE, FALSE);
				$itemAmt += $params["L_COST$i"];
				$i++;
			}

			### Itemized Totals
			$dbtotals = $this->db->query("SELECT * FROM " . DB_PREFIX . "order_total where order_id = '" . $this->session->data['order_id'] . "' ORDER BY sort_order ASC");
			foreach ($dbtotals->rows as $dbtotal) {
				if ($dbtotal['code'] == 'sub_total' || $dbtotal['code'] == 'total') { continue; }
				$params["L_NAME$i"] = html_entity_decode(str_replace(array('-','_'), ' ', ucwords($dbtotal['code'])), ENT_QUOTES, "ISO-8859-1");
				$params["L_SKU$i"]  = isset($dbtotal['code']) ? $dbtotal['code'] : str_replace(' ', '-', strtolower($dbtotal['title']));
				$params["L_DESC$i"] = html_entity_decode($dbtotal['title'], ENT_QUOTES, "ISO-8859-1");
				$params["L_QTY$i"]  = 1;
				$params["L_COST$i"] = $this->currency->format(($dbtotal['value']), $currency, FALSE, FALSE);
				$itemAmt += (float)$params["L_COST$i"];
				$i++;
			}


			$params['ITEMAMT'] = number_format($itemAmt, 2, '.', ''); // ensure that is has 2 decimal precision because paypal is sensitive
			//$params['SHIPPINGAMT'] = number_format(($amount-$itemAmt), 2, '.', ''); // ensure that is has 2 decimal precision because paypal is sensitive
		}
		##########################################


		if ($this->cart->hasShipping()) {
			$params['SHIPTOFIRSTNAME']	= trim($order_info['shipping_firstname']);
			$params['SHIPTOLASTNAME']	= trim($order_info['shipping_lastname']);
			$params['SHIPTOSTREET']		= trim($order_info['shipping_address_1'] . ' ' . $order_info['shipping_address_2']);
			$params['SHIPTOCITY']		= trim($order_info['shipping_city']);
			$params['SHIPTOSTATE']		= trim($order_info['shipping_zone_code']);
			$params['SHIPTOZIP']		= trim($order_info['shipping_postcode']);
			$params['SHIPTOCOUNTRY']	= trim($order_info['shipping_iso_code_2']);
		}