1Global and static variables
2-----
3<?php
4
5global $a, $$a, ${$a[$a]};
6static $a, $b;
7static $a = 'foo', $b = 'bar';
8-----
9global $a, ${$a}, ${$a[$a]};
10static $a, $b;
11static $a = 'foo', $b = 'bar';