api_key; $main_currency = $row_api->main_currency; $server = $row_api->server; function getRate($amount,$to_currency){ global $api_key; global $main_currency; global $server; $apikey = $api_key; $from_Currency = urlencode($main_currency); $to_Currency = urlencode($to_currency); $query = "{$from_Currency}_{$to_Currency}"; // change to the free URL if you're using the free version $url = "$server/api/v7/convert?q={$query}&compact=ultra&apiKey={$apikey}"; // echo $url; @$json = file_get_contents("$url"); $obj = json_decode($json, true); $val = floatval($obj["$query"]); $total = $val * $amount; return number_format($total, 2, '.', ''); } if(isset($_GET['id'])){ if($_SERVER["HTTP_REFERER"]){ $id = $input->get('id'); if(empty($id)){ unset($_SESSION['siteCurrency']); }else{ $get_currency = $db->select("site_currencies",['id'=>$id]); $row = $get_currency->fetch(); $code = $row->code; $_SESSION['siteCurrency'] = $id; $_SESSION['conversionRate'] = getRate(1,$code); } echo ""; } }