3v4l.org

run code in 300+ PHP versions simultaneously
<?php json_decode(null); json_last_error();
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Deprecated: json_decode(): Passing null to parameter #1 ($json) of type string is deprecated in /in/hZZ78 on line 3
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30

preferences:
231.13 ms | 403 KiB | 253 Q