3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array( 'data_1', 'data_2', 'data_3', 'data_4', 'data_5' => array( 'data_5_1', 'data_5_2' ) ); function display_list($array) { foreach ($array as $k => $v) { if (is_array($v)) { echo "$k\n"; display_list($v); } else { echo "$v\n"; } } } display_list($data);
Output for 7.1.0 - 7.1.33, 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 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
data_1 data_2 data_3 data_4 data_5 data_5_1 data_5_2
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 data_1 data_2 data_3 data_4 data_5 data_5_1 data_5_2
preferences:
199.54 ms | 402 KiB | 214 Q