title: how to get time difference between two time in php
body: <p>I have two times. I want to get time difference between seconds, suppose there are two time time1 = 4:20 and time2 =20:10 now i want to get difference in seconds between them .</p>
  
  <p>i do not have date parameters here ,please do not mark post as duplicate : <a href="https://stackoverflow.com/questions/13928021/getting-time-difference-between-two-times-in-php">Getting time difference between two times in PHP</a></p>
  
  <p>there there is day also , so my case is different</p>