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Content Negotiation

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        Serve XHTML as application/xhtml+xml to browsers which accept it (and to W3C Validator).

header("Vary: Accept");
if (stristr($_SERVER['HTTP_ACCEPT'], 'application/xhtml+xml') || stristr($_SERVER["HTTP_USER_AGENT"],"W3C_Validator"))
  header('Content-type: application/xhtml+xml');
  echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
  header('Content-type: text/html');


Snippets Manager replied on Mon, 2012/05/07 - 1:12pm

I think that it should send character encoding with text/html header. header('Content-Type: text/html; charset=UTF-8');

Snippets Manager replied on Mon, 2012/05/07 - 1:12pm

Thanks much for code. This is just what I was looking for.