I have two times - For eg- the current time - 08:24 and date is 02/01/2013 in dd/mm/yyyy format and I have another time at 13:46 and date is 31/12/2012 . So, how can I calculate the difference between the 2 times in hours using PHP. (i.e. 42.63 hours) Thanks in advance.
Convert them both to timestamp values, and then subtract to get the difference in seconds.
$ts1 = strtotime(str_replace('/', '-', '02/01/2013 08:24'));
$ts2 = strtotime(str_replace('/', '-', '31/12/2012 13:46'));
$diff = abs($ts1 - $ts2) / 3600;
Another way is to use PHP's date-related classes. The example below uses DateTime::diff()
to get a DateInterval
object ($interval
). It then uses the interval's properties to arrive at the total number of hours in the interval.
$a = DateTime::createFromFormat('H:i d/m/Y', '08:24 02/01/2013');
$b = DateTime::createFromFormat('H:i d/m/Y', '13:46 31/12/2012');
$interval = $a->diff($b);
$hours = ($interval->days * 24) + $interval->h
+ ($interval->i / 60) + ($interval->s / 3600);
var_dump($hours); // float(42.633333333333)
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