1--TEST-- 2GH-15330 006: Do not scan generator frames more than once 3--FILE-- 4<?php 5 6class Canary { 7 public function __construct(public mixed $value) {} 8 public function __destruct() { 9 var_dump(__METHOD__); 10 } 11} 12 13function h() { 14 yield 'foo'; 15 Fiber::suspend(); 16} 17 18function g() { 19 yield from h(); 20} 21 22function f($canary) { 23 var_dump(yield from g()); 24} 25 26$canary = new Canary(null); 27 28$iterable = f($canary); 29 30$fiber = new Fiber(function () use ($iterable, $canary) { 31 var_dump($canary, $iterable->current()); 32 $iterable->next(); 33 var_dump("not executed"); 34}); 35 36$canary->value = $fiber; 37 38$fiber->start(); 39 40$iterable->current(); 41 42$fiber = $iterable = $canary = null; 43 44gc_collect_cycles(); 45 46?> 47==DONE== 48--EXPECTF-- 49object(Canary)#%d (1) { 50 ["value"]=> 51 object(Fiber)#%d (0) { 52 } 53} 54string(3) "foo" 55string(18) "Canary::__destruct" 56==DONE== 57
