--TEST--
Test unserializing valid enums inferring value
--SKIPIF--
<?php if (PHP_VERSION_ID < 80100) { echo "skip enums requires php 8.1"; } ?>
--FILE--
<?php
enum X: string {
    const Y = 'a';
    case X = self::Y . 'b';
}
$value = urldecode('%00%00%00%02%17%01X%27%0E%00');
var_dump(igbinary_unserialize($value));
$ser = igbinary_serialize(X::X);
echo urlencode($ser), "\n";
var_dump(X::X->value);
?>
--EXPECT--
enum(X::X)
%00%00%00%02%17%01X%27%0E%00
string(2) "ab"