3v4l.org

run code in 300+ PHP versions simultaneously
<?php $it = new RecursiveArrayIterator(array(1, 2, array(3, 4, array(5, 6, 7), 8), 9, 10)); $tit = new RecursiveTreeIterator($it); $tit->setPostfix('***'); var_dump($tit->getPostfix()); foreach( $tit as $key => $value ){ echo $value . PHP_EOL; }
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 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 - 8.3.25, 8.4.1 - 8.4.12
string(3) "***" |-1*** |-2*** |-Array*** | |-3*** | |-4*** | |-Array*** | | |-5*** | | |-6*** | | \-7*** | \-8*** |-9*** \-10***
preferences:
157.06 ms | 408 KiB | 5 Q