3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1,2]; list(&$x, &$y) = $a;
Output for 7.3.16 - 7.3.33, 7.4.3 - 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
Output for 7.2.29 - 7.2.33
Fatal error: [] and list() assignments cannot be by reference in /in/M0Rrb on line 4
Process exited with code 255.
Output for 5.4.0 - 5.4.21
Parse error: syntax error, unexpected '&', expecting ',' or ')' in /in/M0Rrb on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected '[' in /in/M0Rrb on line 3
Process exited with code 255.
preferences:
148.77 ms | 401 KiB | 190 Q