3v4l.org

run code in 300+ PHP versions simultaneously
<?php const A = array(1, 2, 3); var_dump(A);
Output for 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 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 - 8.2.18, 8.3.0 - 8.3.7
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Fatal error: Arrays are not allowed as constants in /in/qMdc9 on line 3
Process exited with code 255.

preferences:
213.93 ms | 402 KiB | 371 Q