Re: Emulating a class destructor

On Tue, 2002-06-11 at 20:12, Tom Rogers wrote: > Hi > One way is to create an external reference to your class and use that in > the cleanup function. To make the cleanup function visible it has to be > declared inside the constructor (which makes it invisible to the rest of > the class:) This is how I have done it: > > <? > $ref = array(); > class cRoute{ > function cRoute(){ > global $ref; > $ref[] =& $this; > //register the shutdown function in case people who use this > class dont call the appropiate close methods. > register_shutdown_function("cleanup"); > function cleanup(){ > global $ref; > /cleanup. > trigger_error("Please call close() to prevent problems, close() > has been called for you."); > $ref[0]->close(); > } > } > function close(){ > //close open sockets, etc. > mail("yourEmailHere","callback","Function Close > called\n"); > } > } > $clean = new cRoute; > echo "exiting now <br>"; > exit; > ?> > > > Tom Won't work if you create another object; you'll get a 'Fatal error: Cannot redeclare cleanup() in...' if you create more than one object. You can only declare a function once...and executing the line it starts on counts as declaring it. -- Torben Wilson <torben@php.net> http://www.thebuttlesschaps.com http://www.hybrid17.com http://www.inflatableeye.com +1.604.709.0506