date difference

[buducom]

I have 2 datetimes

2003-10-24 12:43:00
2003-10-24 16:13:03

I want to have as a result

3.5 hours for example

is that possible?

either with PHP function or as SQL function i dont mind

thank you

daniel

[seby]

echo number_format((strtotime('2003-10-24 16:13:03')-strtotime('2003-10-24 12:43:00')) / 60 /  60, 1, '.', '') . ' hours';