1--TEST--
2Fetching default value of an internal trampoline function with userland arginfo
3--FILE--
4<?php
5$closure = function ($b = 0) {};
6$ro = new ReflectionObject($closure);
7$rm = $ro->getMethod('__invoke');
8echo $rm, "\n";
9
10$rp = $rm->getParameters()[0];
11var_dump($rp->isDefaultValueAvailable());
12try {
13    var_dump($rp->getDefaultValue());
14} catch (ReflectionException $e) {
15    echo $e->getMessage(), "\n";
16}
17?>
18--EXPECT--
19Method [ <internal> public method __invoke ] {
20
21  - Parameters [1] {
22    Parameter #0 [ <optional> $b = <default> ]
23  }
24}
25
26bool(false)
27Internal error: Failed to retrieve the default value
28