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);
> $var = "hi";
> bar(); /* it should print "hi" instead of "hello" */
Your code is broken:
<?php
function foo( &$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.
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