Ron Borkent
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| Posted: 02/03/2002, 1:29 AM |
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Oke, I've been chopping away at this for 2 days now and close to a breakdown 
I have to do some math with times. The situation is this:
there is a timeslot, lets say from 06:00($a) 'till 14:00($b) that pays a 25% bonus. A worker worked from 5:00($van) 'till 15:00($tot).The result is printed in a field($veld).
This is just an example, there are several timeslots and the time worked can diver to. Here's the function I wrote:
function time_diff($van,$tot,$a,$b)
{
if(($van >= $a) && ($tot <= $b))
{
$veld ='1';//($tot -$van) /60 /60;
}
elseif(($van <= $a) && ($tot <= $b)&& ($tot > $a))
{
$veld =( $tot -$a)/60 /60;
}
elseif(( $van >= $a) && ($tot > $b)&& ($van < $b))
{
$veld='3';//($b - $van)/60 /60;
}
elseif(($van < $a )&&( $tot >= $b))
{
$veld='4';//($b-$a)/60 /60 ;
}
return $veld;
}
All variables are converted to timestamps with strtotime(). The problems I have is with timeslots that end with 00:00 I get values even when $van $tot do not even come near to the timeslot.
I suck at math so if somebody could help?
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Nicole
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| Posted: 02/04/2002, 7:04 AM |
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Ron,
not clear enough for me... Do you mean the situation when $tot= 00:00? If so I suppose you should first compare the value to "00:00" string and change it to 24:00 if they are the same. After it convert string to time.
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Ron Borkent
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| Posted: 02/05/2002, 12:58 AM |
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Thnx Nicole, I had thought of that but it somehow doesn't work. It goes beserk when you use 24:00 as a time. I now convert $van to 00:00:01 and $tot to 23:59:59 when the user fills in 00:00 and then use round to get nice looking results  It wont win any proces I'm sure but it does the trick.
Ron
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