title: I want to convert a email address to xxx.xxx@gmail.com in php
body: <p>I have dynamically generated email id </p>
  
  <p>say <code>testing1234.gjj@gmail.com</code> .<br>
  I want to convert email id to <code>xxxxxxxxxx.xxx@gmail.com</code> .</p>
  
  <p>Please tell me how can i implement this in php  for any email address .</p>