3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo realpath("/");
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.32, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: realpath(): open_basedir restriction in effect. File(/) is not within the allowed path(s): (/tmp:/in:/etc) in /in/Qv5tM on line 2
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 7.4.33
/

preferences:
273.32 ms | 402 KiB | 415 Q