我需要根据输入的代码将用户重定向到另一个页面

Question

I need to create a form on my site where users enter a code and based on that code they're redirected to another page. Doing it through a database would be more secure but I wouldn't mind if the logic was handled on the form itself.

So, here's an example of what I mean:

Enter Code: (Box here)

Form searches through list of potential answers( s5d11, wy4sd, lk123, etc.), if it finds a match it redirects to a specific page for each code, if not it gives an error message that the code entered was wrong.

Answer 1

This is an example with two files, one html and one php file. The html-page submits the contents of your input to a php-page, which redirects the browser to an URL based on the input.

HTML, index.html:

<form action="redirect.php" method="get">
  <input name="mytext" />
  <input type="submit" />
</form>

PHP, redirect.php:

<?
switch($_GET['mytext'])
{
    case 's5d11':
        header('Location: http://somepage.com/');
        break;
    case 'qy4sd':
        header('Location: http://someotherpage.com/');
        break;
    default:
        print "<p>Wrong code. Try again</p>";
        include('index.html');
        break;
}
?>