3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode('null')); var_dump(json_decode('[1, 2, 3'));
Output for 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 8.0.0 - 8.0.12, 8.1rc1 - rc3
NULL NULL

preferences:
39.72 ms | 460 KiB | 5 Q