3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL & ~E_DEPRECATED); json_decode(null); echo json_last_error_msg();
Output for 8.0.30, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Syntax error
preferences:
51.21 ms | 406 KiB | 5 Q