Converting time to seconds
Is there a simple function to convert time (hh:mm:ss) to seconds (or hours)?
Basically I want to duplicate this SQL in PHP:
I've looked here but I dont think I see it.
http://us2.php.net/manual/en/ref.datetime.php
Basically I want to duplicate this SQL in PHP:
sum(((TIME_TO_SEC(end_time) - TIME_TO_SEC(start_time))/3600) * rate)
I've looked here but I dont think I see it.
http://us2.php.net/manual/en/ref.datetime.php