3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = file_get_contents('/etc/issue'); echo $a;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.1.25 - 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Arch Linux \r (\l)
Output for 7.1.20
Warning: file_get_contents(): open_basedir restriction in effect. File(/etc/issue) is not within the allowed path(s): (/tmp:/in) in /in/LLOvk on line 3 Warning: file_get_contents(/etc/issue): failed to open stream: Operation not permitted in /in/LLOvk on line 3

preferences:
246.03 ms | 402 KiB | 357 Q