Force SSL/https using code - PHP, JAVA, .NET, C#.NET

Below the codes will explain to detect if URL is secured ssl with php, .net or java in https. If not, then code will automatically change to the secured page from http to https.

Sometimes you may need to know that the payment(secure) page is loaded via the secure connection (SSL or https). An easy way to always redirect the page to secure connection (https://) by the following below lines.

Secured connection or url always using port 443, the below code is redirect port 80 to port 443, that is secure port and also code will check the page is using https or http.

PHP Code

  if($_SERVER["HTTPS"] != "on")
  {
    $newurl = "https://" . $_SERVER["SERVER_NAME"] . $_SERVER["REQUEST_URI"];
    header("Location: $newurl");
    exit();
  }

JAVA Code

  if(!request.isSecure())
  {
    String sNewURL = "https://" + request.getServerName() + request.getRequestURI();
    if (request.getQueryString()!=null)
      sNewURL += "?"+request.getQueryString();
    response.sendRedirect(sNewURL);
  }

C#.NET Code

  if (!Request.IsSecureConnection)
  {
    String sNewURL = "https://" + Request.ServerVariables["SERVER_NAME"] + Request.ServerVariables["URL"];
    Response.Redirect(sNewURL );
  }