Re: Setting execution time for a loop

if I wait untill $sDate is zero, it'll be in 2000. I have $Date based on the current date, like to day is: 03252 03 is the year 252 is the day of the year. "Mike Ford" <M.Ford@lmu.ac.uk> wrote in message news:841D90E489448A4F804E1D1B95768BF7D461DD@lis-exchange3.lmu.ac.uk... > On 10 September 2003 11:26, zavaboy contributed these pearls of wisdom: > > > // Ok, I have a loop: > > for ($i = $Date; $i >= $sDate; $i--) > > > > // Somthing like this is inside the loop: > > if ($Exists) > > echo "Something here."; > > else > > $sDate--; > > > > I have it check if it exists, if it doesn't, then it reduces > > $sDate by 1. $sDate is initially 3 to 31 days less than $Date. > > By reducing $sDate by 1, it keeps looking, what if there are > > no more? It keeps going until I reach 30 seconds, how can I > > set a time limit? > > No need to set a time limit for this -- just set a limit on how far $sDate > can be decremented. Presumably only positive values are invalid, so just > stop the loop when $sDate goes <=0 -- either > > for ($i = $Date; $i >= $sDate && $sDate > 0; $i--) > > or something like: > > for ($i = $Date; $i >= $sDate; $i--): > > if ($Exists): > echo "Something here."; > else: > $sDate--; > if ($sDate<=0): > // do any necessary tidying up here -- e.g. set a > // flag to say the loop was exited via the side door > break; // escape from the for loop > endif; > endif; > > endfor; > // break escapes to here > > Cheers! > > Mike > > --------------------------------------------------------------------- > Mike Ford, Electronic Information Services Adviser, > Learning Support Services, Learning & Information Services, > JG125, James Graham Building, Leeds Metropolitan University, > Beckett Park, LEEDS, LS6 3QS, United Kingdom > Email: m.ford@lmu.ac.uk > Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211