1Variable variable positions
2-----
3<?php
4$$$x;
5-----
6!!positions
7array(
8 0: Stmt_Expression[2:1 - 2:5](
9 expr: Expr_Variable[2:1 - 2:4](
10 name: Expr_Variable[2:2 - 2:4](
11 name: Expr_Variable[2:3 - 2:4](
12 name: x
13 )
14 )
15 )
16 )
17)
18