Date: 09/25/05 (PHP Community)    Keywords: php, sql

Is there a simple function to convert time (hh:mm:ss) to seconds (or hours)?

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

Source: http://www.livejournal.com/community/php/347080.html