title: How to Change Order Id in Opencart
body: <p>I did my website using <code>Opencart</code>.I want to change my Order ID to this format: 
  <code>ID: XY-MM-DD-YYYY-0001</code>.</p>
  
  <p>I searched in google but i didn't get correct answer. Please any one tell me the solution.</p>
  
  <p>Thanks in advance.</p>