1--TEST-- 2Start on already running fiber 3--FILE-- 4<?php 5 6$fiber = new Fiber(function (): void { 7 Fiber::suspend(); 8}); 9 10$fiber->start(); 11 12$fiber->start(); 13 14?> 15--EXPECTF-- 16Fatal error: Uncaught FiberError: Cannot start a fiber that has already been started in %sdouble-start.php:%d 17Stack trace: 18#0 %sdouble-start.php(%d): Fiber->start() 19#1 {main} 20 thrown in %sdouble-start.php on line %d 21
