I've managed to delete the original post, so apologies in advance if I got the Subject wrong and/or am missing the threading headers. Plus, this post isn't even strictly necessary, and could be construed as pedantic. Oh well. To change -40 to 40, http://php.net/abs is probably the best answer from a code maintenance point of view. If, however, you need to do this in a very tight loop, and performance is an issue, and if you are certain that the number *IS* negative, you could also do: $x = - $x; which would be faster than the abs() function. This performance difference would be moot in *MOST* cases, but could be important to the original poster, I suppose. If you want to mimic the behaviour of abs (allowing for positive numbers) and performance was an issue, that: $x = ($x < 0) ? - $x : $x; is most likely faster than abs() Don't do this just to be "faster" because "faster is better" though. Code maintenance and abs() win over "faster" except in really dire straits on this one. YMMV. NAIAA. IANAL. TANSTAAFL. -- Like Music? http://l-i-e.com/artists.htm -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
