3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode('10.7.11.122')); var_dump(json_last_error() === JSON_ERROR_SYNTAX);
Output for 5.6.0 - 5.6.23, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
NULL bool(true)
preferences:
146.31 ms | 408 KiB | 5 Q