Convert seconds into days, hours, minutes and seconds

Question

I would like to convert a variable $uptime which is seconds, into days, hours, minutes and seconds.

Example:

Answer 1

gmdate("d H:i:s",1640467);

Result will be 19 23:41:07. When it is just one second more than normal day, it is increasing the day value for 1 day. This is why it show 19. You can explode the result for your needs and fix this.