title: what to write in callback url file in dibs payment?
body: <p>I have used a redirect method of payment using PHP. Can any one help with the callback file content? </p>
  
  <p>I don't know what to define in <code>callback.php</code> file. 
  I can't find any help from any source. 
  I have already refereed below link about callback in dibs
  <a href="http://tech.dibspayment.com/DX/Hosted/Output_parameters/Return_pages" rel="nofollow">http://tech.dibspayment.com/DX/Hosted/Output_parameters/Return_pages</a></p>