PHP 023 list() in foreach

Input

<?php
    $a = array(array(1, 2, 3), array(4, 5, 6));
    foreach ($a as list($b, $c, $d))
    {
        echo $b.' '.$c.' '.$d.'<br>';
    }
?>

Output

Parse error: syntax error, unexpected T_LIST, expecting '&' or T_STRING or T_VARIABLE or '$' in test.php on line 3
[lis01]
The PHP Group, "PHP: list",
http://us.php.net/list [accessed 27th Aug 2011].
[rfc01]
Xinchen Hui, "RFC: foreach_variable supporting T_LIST",
https://wiki.php.net/rfc/foreachlist [accessed 2nd Oct 2011].