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<?php function foo() { foreach ([] as $foo) { yield $foo; } } $append = new AppendIterator(); $append->append(foo()); var_dump(iterator_to_array($append));
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Fatal error: Uncaught Exception: Cannot traverse an already closed generator in /in/B4Qnh:10 Stack trace: #0 [internal function]: AppendIterator->rewind() #1 /in/B4Qnh(10): iterator_to_array(Object(AppendIterator)) #2 {main} thrown in /in/B4Qnh on line 10
Process exited with code 255.

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