At 01:18 PM 12/06/2002, Lars Torben Wilson wrote:
>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.
>
True, but multiple objects was not mentioned in the original spec :)
The manual is not very clear on the array method of specifying the callback
function. I'll work on it a bit more.
Tom
>--
> Torben Wilson <[EMAIL PROTECTED]>
> http://www.thebuttlesschaps.com
> http://www.hybrid17.com
> http://www.inflatableeye.com
> +1.604.709.0506
>
>
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