Online PHP editor | output for A125P

<?php $iteratorx = IntlCodePointBreakIterator::createCodePointInstance(); $iteratorx->setText("abc"); $iterator = $iteratorx->getPartsIterator(); $iterator->rewind(); $iterator->next(); $iteratorx->previous(); // previous works $iterator->next(); $iterator->next(); echo $iterator->current() . "\n"; // c... all fine $iterator->next(); // no more code points, so it's invalid var_dump($iterator->valid()); // false var_dump($iterator->current()); // prints weird stuff... whatever... $iteratorx->previous(); // cannot go back var_dump($iterator->valid()); // broken var_dump($iterator->current()); // broken