1--TEST--
2Enum properties cannot be returned by-ref
3--FILE--
4<?php
5
6enum Foo: int {
7    case Bar = 0;
8}
9
10function &getBarValueByRef() {
11    $bar = Foo::Bar;
12    return $bar->value;
13}
14
15try {
16    $value = &getBarValueByRef();
17    $value = 1;
18} catch (Error $e) {
19    echo $e->getMessage() . "\n";
20}
21
22var_dump(Foo::Bar->value);
23
24?>
25--EXPECT--
26Cannot modify readonly property Foo::$value
27int(0)
28