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php4-beta | 200004

Re: [PHP4BETA] array_walk behaving oddly ... From: Andrei Zmievski (andrei <email protected>)
Date: 04/12/00

On Tue, 11 Apr 2000, Wasim Juned wrote:
> query about php3.0.12 vs PHP Version 4.0b4pl1 regards array_walk
> which is not working as expected.
>
> Here's the code:
> <?
> function changeArray($item)
> {
> $item = "This is $item";
> }
>
> $array = array("a","b");
>
> // array_walk functions different in php3/4
> // in php3 this changes each element
> // but in php4 each element is reinitialised.
> array_walk($array,'changeArray');
>
> while($e = current($array))
> {
> echo "$e<BR>\n";
> next($array);
> }
> ?>

In PHP 4 the array entries are not passed by reference by default. You
need to declare your array function like this to get them to change:

function changeArray(&$item)
{
  $item = "This is $item";
}

-Andrei
* The best source is the source code. * 

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