3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array(array(1, 2)); foreach($x as list($a, $b)) { echo $a, $b; }
Output for 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 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 - 8.3.6
12
Output for 5.4.2 - 5.4.45
Parse error: syntax error, unexpected 'list' (T_LIST) in /in/6eROK on line 5
Process exited with code 255.
preferences:
201.22 ms | 401 KiB | 226 Q