Re: Undefined variables

>for those who work with IIS 5, like me, how to prevent the error: > >Warning: Undefined variable in line... > >if using the variable for the first time? Nothing to do with IIS! You only get the warning when you use a variable for the first time in the right hand side of an expression. e.g. If the first line of your code is: $X=$Y php will complain that $Y is undefined (and will give it a value of 0) However if you go $Y=1; $X=$Y; you will get no warning. Sometimes you may be expecting $Y to be passed in to php as a GPC variable, in which case you can go: if(!isset($Y))$Y=0;//or some other sensible default value $X=$Y; Hope this helps. Cheers -- Phil Driscoll Dial Solutions +44 (0)113 294 5112 http://www.dialsolutions.com http://www.dtonline.org