All four must be an empty string. I will be pulling the values from a MySQL database. If these fields are empty I'll be prompting for information. If any one of them contain anything I'll be showing it to the user and asking if they want to change it.
Thanks, Ed On Tue, 26 Nov 2002, Ernest E Vogelsinger wrote: > At 13:50 26.11.2002, [EMAIL PROTECTED] said: > --------------------[snip]-------------------- > > I'll be trying to use a routine that checks 4 seperate variables for > >content and need to know the easiest method to do so. The function works > >on 2 conditions; either all the variables are empty and I do something or > >I do something else. > > > >$lineone > >$linetwo > >$linethree > >$linefour > > > > Would you use > > > >if ($lineone && $linetwo && $linethree && $linefour = "") > --------------------[snip]-------------------- > > Your expression yields true if 1-3 are not-empty AND four is an empty > string. Not sure if that's what you want. > > All empty: > !($lineone || $linetwo || $linethree || $linefour) > --or-- > !$lineone && !$linetwo && !$linethree && !$linefour > > All set: > $lineone && $linetwo && $linethree && $linefour > > > -- > >O Ernest E. Vogelsinger > (\) ICQ #13394035 > ^ http://www.vogelsinger.at/ > > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
