[PHP] When using foreach(), how to use &$value in php 4??

[Scott Fletcher]

I have encountered a situation where I'm using the foreach() where I need to
assign new data to the $value in the foreach loop, foreach($x as $key ==>
$value). With PHP 5, you can do the ampersand to the $value but I'm using
PHP 4? So, how do you guys do it? I tried this sample code but it only work
in the child array but not the parent arrays...  Food for Thought??
Thanks...

--code--
function XmlTreeCDataAsciiLoopThrough(&$tree)
{
   foreach($tree as $key => $value)
   {
      if (is_array($value)) {
         XmlTreeCDataAsciiLoopThrough($value);
      } else {
         if ($key == "VALUE") {
            echo $tree[$key]." ###<br>";
            $tree[$key] = "#############";
            echo $tree[$key]." @@@<br>";
         }
      }
   }
}
--code--

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