Re: PHP Interview questions

On Tue, 2003-08-26 at 11:35, Curt Zirzow wrote: > * Thus wrote Richard Baskett (php@baskettcase.com): > > on 8/26/03 9:57 AM, Robert Cummings at robert@wocmud.org wrote: > > > > > This smells like a trick question... Are the switches connected to the > > > same light bulb? You've only mentioned one light bulb? 8) > > > > > > Cheers, > > > Rob. > > > > > > > > > On Tue, 2003-08-26 at 12:35, Jay Blanchard wrote: > > >> Also ask a couple of other questions that require thought, but have > > >> nothing else to do with code. such as... > > >> > > >> In one room you have 3 light switches, each connected to one light bulb > > >> in another room. How many trips must you make to determine which switch > > >> is connected to which light bulb? > > > > Only one trip, and Im not sure if I should explain or let you guys figure it > > out :) > > toggle_light(1); > sleep(120); > toggle_light(1); > > toggle_light(2); > move('self', 'room/'); > > if ($lightbulb['temp'] > $room['temp']) { > echo "switch #1"; > } elseif ($lightbulb['ison']) { > echo "switch #2"; > } else { > echo "switch #3"; > } > unfortunately, this won't work... you need to loop through the lightbulbs... try something like: foreach ($lightbulbs as $bulb){ } and your if else logic needs a little tweaking so you don't incorrectly label the "on" lightbulb as being switch #1 since it is also greater than $temp['room'] see the following manual pages: http://us4.php.net/manual/en/control-structures.foreach.php http://us4.php.net/manual/en/thelightbulb-determination-problem.php http://us4.php.net/manual/en/i-have-too-much-time-on-my-hands.php </joking> gabe.