Hi,
Tuesday, July 29, 2003, 12:32:33 AM, you wrote:
MP> The following code illustrates a problem I've got with references (running
MP> on PHP 4.3.2). Can anyone explain it for me? Thanks in advance for any
MP> assistance!
MP> Martin
MP> <?php
MP> $globalvariable = 0;
MP> $one = 1;
MP> //want to set up $globalvariable as a reference to $one
MP> setglobal($one);
MP> echo $globalvariable; //prints 0, not 1
MP> function setglobal(&$one)
MP> {
MP> global $globalvariable;
MP> $globalvariable =& $one;
MP> }
?>>
You don't need the =& in the function as you are passing a reference
already. So you are setting $globalvariable to point to a reference
that is pointing to $one. You just need:
function setglobal(&$one)
{
global $globalvariable;
$globalvariable = $one;
}
--
regards,
Tom
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