3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dir = new RecursiveDirectoryIterator('tmp'); $it = new AppendIterator(); $it->append($dir); var_dump(iterator_to_array(new RecursiveIteratorIterator($it)));
Output for 7.3.13 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.4, 8.3.6 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Fatal error: Uncaught InvalidArgumentException: An instance of RecursiveIterator or IteratorAggregate creating it is required in /in/04vng:6 Stack trace: #0 /in/04vng(6): RecursiveIteratorIterator->__construct(Object(AppendIterator)) #1 {main} thrown in /in/04vng on line 6
Process exited with code 255.
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 Fatal error: Uncaught InvalidArgumentException: An instance of RecursiveIterator or IteratorAggregate creating it is required in /in/04vng:6 Stack trace: #0 /in/04vng(6): RecursiveIteratorIterator->__construct(Object(AppendIterator)) #1 {main} thrown in /in/04vng on line 6
Process exited with code 255.

preferences:
98.33 ms | 1384 KiB | 4 Q