3v4l.org

run code in 300+ PHP versions simultaneously
<?php (function($param1){ return function(...$param2) use ($param1){ print_r($param2); }; })("hello")("world", "Emi");
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 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
Array ( [0] => world [1] => Emi )
Output for 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/v1GHp on line 7
Process exited with code 255.
Output for 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/v1GHp on line 4
Process exited with code 255.
preferences:
158.34 ms | 401 KiB | 182 Q