Re: Rounding arithmetic results

On 14 Jun, Dion Vansevenant wrote: > I am fairly new to PHP3 so please forgive me if this seems like to > no-brainer to you. > > I am working on a little chunk of code that counts the number of pages in a > given area, then divides by 2 to determine how many items to print in each > of two columns of a table. > > Works just great when the results are based on an even number of pages, but > odd numbers give me half answers (1.5, 2.5, etc.). > > What would be a good method of checking for a half answer and rounding up? > > Thanks. > > Dion The modulus operator % is your friend here if($numpages % 2 == 0): // do the first column, it's an even number else: // it's odd, do the second column endif; Expand as necessary for a larger number of columns. Cheers -- David Robley | WEBMASTER & Mail List Admin RESEARCH CENTRE FOR INJURY STUDIES | http://www.nisu.flinders.edu.au/ AusEinet | http://auseinet.flinders.edu.au/ Flinders University, ADELAIDE, SOUTH AUSTRALIA