title: How to get last day of current month?
body: <p>I want to apply a competition event. Winner will be announce at last day of current month. i.e: current month is November. I want to display a message like: <code>Final declaration will be announced at 30th November 10:00:00 pm</code></p>
  
  <p>I want to get <code>30th November 10:00:00 pm</code> from php function. Any idea?</p>