1<?php
2/**
3 * Represents foo.
4 */
5class Foo
6{
7}
8
9/**
10 * @param mixed $bar
11 */
12function &foo($bar)
13{
14    $baz = function () {};
15    $a   = true ? true : false;
16    $b   = "{$a}";
17    $c   = "${b}";
18}
19