1--TEST--
2Observer: Nested fibers
3--EXTENSIONS--
4zend_test
5--INI--
6zend_test.observer.enabled=1
7zend_test.observer.show_output=1
8zend_test.observer.fiber_switch=1
9--FILE--
10<?php
11
12$fiber = new Fiber(function (): void {
13    Fiber::suspend();
14    var_dump(1);
15
16    $fiber = new Fiber(function (): void {
17        Fiber::suspend();
18        var_dump(3);
19        Fiber::suspend();
20        var_dump(5);
21    });
22
23    $fiber->start();
24
25    Fiber::suspend();
26    var_dump(2);
27
28    $fiber->resume();
29
30    Fiber::suspend();
31    var_dump(4);
32
33    $fiber->resume();
34});
35
36$fiber->start();
37$fiber->resume();
38$fiber->resume();
39$fiber->resume();
40
41?>
42--EXPECTF--
43<!-- init '%sobserver_fiber_03.php' -->
44<!-- switching from fiber %s to %s -->
45<init '%s'>
46<!-- init {closure}() -->
47<!-- switching from fiber %s to %s -->
48<suspend '%s'>
49<!-- switching from fiber %s to %s -->
50<resume '%s'>
51int(1)
52<!-- switching from fiber %s to %s -->
53<init '%s'>
54<!-- init {closure}() -->
55<!-- switching from fiber %s to %s -->
56<suspend '%s'>
57<!-- switching from fiber %s to %s -->
58<suspend '%s'>
59<!-- switching from fiber %s to %s -->
60<resume '%s'>
61int(2)
62<!-- switching from fiber %s to %s -->
63<resume '%s'>
64int(3)
65<!-- switching from fiber %s to %s -->
66<suspend '%s'>
67<!-- switching from fiber %s to %s -->
68<suspend '%s'>
69<!-- switching from fiber %s to %s -->
70<resume '%s'>
71int(4)
72<!-- switching from fiber %s to %s -->
73<resume '%s'>
74int(5)
75<!-- switching from fiber %s to %s -->
76<returned '%s'>
77<!-- switching from fiber %s to %s -->
78<returned '%s'>
79