Re: isset()

At 00:07 23.02.2001, Jacky@lilst said: --------------------[snip]-------------------- >if ((isset($AgeChild))=="false") { >$AgeChild = "NA"; --------------------[snip]-------------------- isset(): generally spoken, returns true if a variable is _defined_, regardless of it's actual value: isset($myvar) => returns false empty($myvar) => returns true $myvar = "something"; isset($myvar) => returns true empty($myvar) => returns false $myvar = ""; isset($myvar) => returns true empty($myvar) => returns true unset($myvar); isset($myvar) => returns false empty($myvar) => returns true My advice: avoid comparing to false or true (and since these are constants, don't put them in quotes ;->). // bad way if (isset($myvar) == false) // better way if (!isset($myvar)) ...ebird >O Ernest E. Vogelsinger (\) http://www.1-at-web.at/ ^ ICQ# 13394035