Re: References to a variable and scope

On 04/12/2007, Cesar D. Rodas <saddor@gmail.com> wrote: > > Robert, > > On 04/12/2007, Robert Cummings <robert@interjinn.com> wrote: > > > > On Tue, 2007-12-04 at 16:58 -0400, Cesar D. Rodas wrote: > > > Hello, > > > > > > I know that PHP doesn't support pointers to a variable, instead of > > that > > > there is references to a variable which are similar to pointers, > > right? > > > > > > BTW, what I want to do is to save a references to a variable and read > > the > > > content when I need, similar to PDO "bindParam". I will try to explain > > > better in the following pseudo php code. > > > > > > function foo($a) { > > > $GLOBALS['references']['a'] = /*references to $a */ > > > } > > > > > > function bar() { > > > echo $GLOBALS['references']['a']; > > > } > > > > > > $var="hello" > > > foo($var); > > > $var = "hi"; > > > bar(); /* it should print "hi" instead of "hello" */ > > > > Your code is broken: > > > I knew that, that was a pseudo code. I've try something similar but > doesn't work. > > <?php > > > > function foo( &$a ) > > { > > $GLOBALS['references']['a'] = &$a; /*references to $a */ > > } > > > > function bar() > > { > > echo $GLOBALS['references']['a']; > > } > > > > $var="hello" > > foo($var); > > $var = "hi"; > > bar(); /* it should print "hi" instead of "hello" */ > > > > ?> > > > > Cheers, > > Rob. > > -- > > ........................................................... > > SwarmBuy.com - http://www.swarmbuy.com > > > > Leveraging the buying power of the masses! > > ........................................................... > > > > > What you code is working, I am so happy for that... the references of a > reference works, > thank you! :-) > > -- > Best Regards > > Cesar D. Rodas > http://www.cesarodas.com > http://www.thyphp.com > http://www.phpajax.org > Phone: +595-961-974165 -- Best Regards Cesar D. Rodas http://www.cesarodas.com http://www.thyphp.com http://www.phpajax.org Phone: +595-961-974165