3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(file('/etc/passwd'));
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 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
Array ( [0] => root:x:0:0::/root:/bin/bash )
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0 - 7.3.12, 7.4.0
Array ( [0] => root:x:0:0:root:/root:/bin/bash [1] => bin:x:1:1:bin:/bin:/usr/bin/nologin [2] => daemon:x:2:2:daemon:/:/usr/bin/nologin [3] => mail:x:8:12:mail:/var/spool/mail:/usr/bin/nologin [4] => ftp:x:14:11:ftp:/srv/ftp:/usr/bin/nologin [5] => http:x:33:33:http:/srv/http:/usr/bin/nologin [6] => nobody:x:99:99:nobody:/:/usr/bin/nologin [7] => systemd-journal-gateway:x:191:191:systemd-journal-gateway:/:/usr/bin/nologin [8] => systemd-timesync:x:192:192:systemd-timesync:/:/usr/bin/nologin [9] => systemd-network:x:193:193:systemd-network:/:/usr/bin/nologin [10] => systemd-bus-proxy:x:194:194:systemd-bus-proxy:/:/usr/bin/nologin [11] => systemd-resolve:x:195:195:systemd-resolve:/:/usr/bin/nologin )

preferences:
253.45 ms | 406 KiB | 425 Q