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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
string(3) "***" |-1*** |-2*** |-Array*** | |-3*** | |-4*** | |-Array*** | | |-5*** | | |-6*** | | \-7*** | \-8*** |-9*** \-10***
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(3) "***" |-1*** |-2*** |-Array*** | |-3*** | |-4*** | |-Array*** | | |-5*** | | |-6*** | | \-7*** | \-8*** |-9*** \-10***

preferences:
175.51 ms | 402 KiB | 171 Q