As of 4.04, two new ways of reference passing is added:
func(new class()) and func(func2()) while func2 is defined as &func2(){...}. They are VERY good for OOP.

But if the following two syntaxes are also supported, it will be really good.

1.  func(&new class());
2.  $obj =& func_get_arg($i);

The first one will make this possible:

$row =& $table->add(&new TableRow("valign=top"));
$cell =& $row->add(&new TableData("width=50%"));

while add is defined as &add($obj) {...;return $obj;}

And the second will make this possible:

$cell -> add(&$text1, &$text2, &$text3, ...);
while add function is going to use variable number of arguments.

But I didn't count on the following syntax being supported too:

foreach ($arr as &$value) {...} ( since there is a walk-arround: $value =& $arr[$i] )

$cell =& $table->add(&new TableRow())->add(&new TableData())
{ since I may request to much :))