title: Set HTTP header for all PHP scripts via .htaccess file
body: <p>I code same lines all PHP programs at one of my projects. Is it possible to do this at .htaccess for a directory? And how?</p>
  
  <p>PHP codes:</p>
  
  <pre><code>Header('Content-Type: application/xhtml+xml; charset=utf-8');
  Header("Cache-Control: no-transform");
  </code></pre>
  
  <p>Thanks any help.
  Best regards.</p>
  
  <p>Yusuf Akyol</p>