Re: Re: MySQL Problem

Well, that's just a typo...of course there should be a () to make it call a function... The whole point to my postings is that I can't get the darn variable to stay in place!!! Look where it says "Prints NOTHING". Does anyone know why it doesn't print "Hello World"??? ::Lewis "Mike Ford" <M.Ford@lmu.ac.uk> wrote in message news:7E070107F405BA4790C43526CC4985A10132AC23@lis-exchange3.lmu.ac.uk... > > -----Original Message----- > > From: OrangeHairedBoy [mailto:me@orangehairedboy.com] > > Sent: 03 October 2002 09:39 > > > > Here's a simplier version...and I'm still having a problem > > with it. It's > > driving me insane!!! :) > > > > class MySQL > > { > > function SET ( ) > > { > > $this->MYVAR = "Hello World!"; > > } > > function RETREIVE ( ) > > { > > print $this->MYVAR; > > } > > } > > $helpme = new MySQL; > > $helpme->SET; > > $helpme->RETREIVE; /* Prints NOTHING */ > > I'm pretty sure you have to add () on the end of those function names to get > PHP to actually *call* the function, so you need: > > $helpme->SET(); > $helpme->RETREIVE(); > > Without the parentheses, PHP evaluates the name of the function (returning > its "handle"), but then doesn't know what to do with it so just throws it > away on seeing the terminating semicolon. As far as PHP is concerned, you > could quite legitimately want to do something entirely different with the > handle, such as assigning it to a variable -- PHP won't assume you want to > call it as a function just because it happens to be a function name. For > instance, the following should work (I think! - although I haven't tested > it): > > $method = $helpme->SET; > $method(); > > In fact, you can ask PHP to try and call anything as a function by appending > parentheses, so this should work too: > > $method = "SET"; > $helpme->$method(); > > > Cheers! > > Mike > > --------------------------------------------------------------------- > Mike Ford, Electronic Information Services Adviser, > Learning Support Services, Learning & Information Services, > JG125, James Graham Building, Leeds Metropolitan University, > Beckett Park, LEEDS, LS6 3QS, United Kingdom > Email: m.ford@lmu.ac.uk > Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211