3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode('{1A1.000}'));
Output for 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
NULL

preferences:
163.72 ms | 403 KiB | 163 Q