3v4l.org

run code in 300+ PHP versions simultaneously
<?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
Output for 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.26, 7.4.0 - 7.4.14, 8.0.0 - 8.0.2
c bool(false) UNKNOWN:0 bool(false) UNKNOWN:0
Output for 5.6.38
c bool(false) NULL bool(false) NULL