Question

Is there a way to check and prevent a form from being displayed if the page loads with mixed content? thus meaning the page isnt using the ssl?

Answer 1

I think you want to hide form if visitor opened page via non-ssl url. You could check prefix whether it is ssl or not. If it is not a SSL page you don’t echo the form. Is that not work?

Below script will redirect visitor to ssl page if he/she is not on ssl page. Put this to top of page:

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

You may use this script’s other variations