title: convert "DD/MM/YYYY h:m" to timestamp
body: <p>I need to convert <code>DD/MM/YYYY h:m</code> eg 21/12/2015 17:14 this date to timestamp format using php and store it in mysql. </p>
  
  <p>I have tried <code>strtotime()</code> and some other functions but it's not working. Can any one help me on this. I'm using datepicker to generate the value for date time </p>