} echo $msn; die; } $dif = $price2 - $price; if ($dif >= 0) { $favor = 0; } else { $favor = $dif * -1; $dif = 0; } try { $id_exchange = $inter->setExchange(array('id_customer' => $_POST['id_usuario'], 'forma_pago' => $_POST['forma_pago'], 'total_in_favor' => $favor, 'total_dif' => $dif)); $reference = "I" . date('Ym') . sprintf('%04d', $id_exchange); $inter->setReferencia($reference, $id_exchange); $sales = $inter->setItemSales($id_exchange, $results); $buys = $inter->setItemBuys($id_exchange, $results2); if (is_array($sales)) { foreach ($sales as $sale) { $inter1 .= $sale; } } if (is_array($buys)) { foreach ($buys as $buy) { $inter2 .= $buy; } } $customer = new Customer((int) $_POST['id_usuario']); $configuration = Configuration::getMultiple(array('PS_LANG_DEFAULT', 'PS_SHOP_EMAIL', 'PS_SHOP_NAME')); $id_lang = (int) $configuration['PS_LANG_DEFAULT']; $template = 'intercambio';