1--TEST-- 2Bug #79657: "yield from" hangs when invalid value encountered 3--FILE-- 4<?php 5 6function throwException(): iterable 7{ 8 throw new Exception(); 9} 10 11function loop(): iterable 12{ 13 $callbacks = [ 14 function () { 15 yield 'first'; 16 }, 17 function () { 18 yield from throwException(); 19 } 20 ]; 21 22 foreach ($callbacks as $callback) { 23 yield from $callback(); 24 } 25} 26 27function get(string $first, int $second): array 28{ 29 return []; 30} 31 32get(...loop()); 33 34?> 35--EXPECTF-- 36Fatal error: Uncaught Exception in %s:%d 37Stack trace: 38#0 %s(%d): throwException() 39#1 %s(%d): {closure}() 40#2 %s(%d): loop() 41#3 {main} 42 thrown in %s on line %d 43
