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 '%s' --> 44<!-- init Fiber::__construct() --> 45<!-- init Fiber::start() --> 46<!-- switching from fiber %s to %s --> 47<init '%s'> 48<!-- init {closure:%s:%d}() --> 49<!-- init Fiber::suspend() --> 50<!-- switching from fiber %s to %s --> 51<suspend '%s'> 52<!-- init Fiber::resume() --> 53<!-- switching from fiber %s to %s --> 54<resume '%s'> 55<!-- init var_dump() --> 56int(1) 57<!-- switching from fiber %s to %s --> 58<init '%s'> 59<!-- init {closure:%s:%d}() --> 60<!-- switching from fiber %s to %s --> 61<suspend '%s'> 62<!-- switching from fiber %s to %s --> 63<suspend '%s'> 64<!-- switching from fiber %s to %s --> 65<resume '%s'> 66int(2) 67<!-- switching from fiber %s to %s --> 68<resume '%s'> 69int(3) 70<!-- switching from fiber %s to %s --> 71<suspend '%s'> 72<!-- switching from fiber %s to %s --> 73<suspend '%s'> 74<!-- switching from fiber %s to %s --> 75<resume '%s'> 76int(4) 77<!-- switching from fiber %s to %s --> 78<resume '%s'> 79int(5) 80<!-- switching from fiber %s to %s --> 81<returned '%s'> 82<!-- switching from fiber %s to %s --> 83<returned '%s'> 84