1--TEST--
2Inc/dec undef var with error handler
3--FILE--
4<?php
5set_error_handler(function($_, $m) {
6    echo "$m\n";
7});
8var_dump($x--);
9unset($x);
10var_dump($x++);
11unset($x);
12var_dump(--$x);
13unset($x);
14var_dump(++$x);
15?>
16--EXPECT--
17Undefined variable $x
18Decrement on type null has no effect, this will change in the next major version of PHP
19NULL
20Undefined variable $x
21NULL
22Undefined variable $x
23Decrement on type null has no effect, this will change in the next major version of PHP
24NULL
25Undefined variable $x
26int(1)
27