3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3]; $a += [4,5,6;]; var_dump($a);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
Parse error: syntax error, unexpected ';', expecting ']' in /in/jrFJl on line 4
Process exited with code 255.
preferences:
161.42 ms | 1395 KiB | 36 Q