#!/usr/bin/env php4
<?
$as = array();

class A {
    var $a;
    function A(&$ref) {
        global $as;
        $as[] = &$ref;
    }
}

$a = '';
$a = new A($a);
$a->a = "uououououo";

print $as[0]->a."\n";
print $a->a."\n";

?>