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<?php $array = new ArrayObject(); $array->setIteratorClass(FilterIterator::class); foreach($array as $_){ }
Output for 8.0.3 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Fatal error: Uncaught TypeError: ArrayObject::setIteratorClass(): Argument #1 ($iteratorClass) must be a class name derived from ArrayIterator, FilterIterator given in /in/L3c7f:4 Stack trace: #0 /in/L3c7f(4): ArrayObject->setIteratorClass('FilterIterator') #1 {main} thrown in /in/L3c7f on line 4
Process exited with code 255.
Output for 8.0.0 - 8.0.2

Process exited with code 139.
Output for 7.4.16 - 7.4.33
Warning: ArrayObject::setIteratorClass() expects parameter 1 to be a class name derived from ArrayIterator, 'FilterIterator' given in /in/L3c7f on line 4
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.15
Fatal error: ArrayObject::getIterator(): Internal compiler error, Class is not child of ArrayObject or ArrayIterator in /in/L3c7f on line 5
Process exited with code 139.

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