Following script causes SIGSEGV of PHP interpreter version 4.1.2 and 4.1.0. Maybe affect also another versions, but only these two were tested.

Reproduction is simple. Run this from shell:

$ php kill-php.php

<?php

// kill-php.php - PHP interpreter kill (sigfaulter)
// (c) 2002 Ondrej Jombik <nepto@pobox.sk> [30/5/2002]
// $Id: kill-php.php,v 1.3 2002/05/31 17:03:43 jombik9 Exp $

// Works with 4.1.2, 4.1.0. Other versions untested.
// If you test this script with others version of PHP,
// please write and commit result here.

class Bar
{
        function Foo($param)
        {
                return Bar::Foo($param);
        }
}

Bar::Foo(1);

?>