3v4l.org

run code in 500+ PHP versions simultaneously
<?php $a = stream_socket_server('tcp://127.0.0.1:1337'); $b = stream_socket_server('tcp://127.0.0.1:1337');
Output for 5.6.0 - 5.6.40, 7.0.1 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25
Warning: stream_socket_server(): unable to connect to tcp://127.0.0.1:1337 (Address already in use) in /in/XjhRa on line 4
Output for 7.0.0
Warning: stream_socket_server(): unable to connect to tcp://127.0.0.1:1337 (Address already in use) in /in/XjhRa on line 4
Output for 7.3.32 - 7.3.33, 7.4.26 - 7.4.33
Warning: stream_socket_server(): unable to connect to tcp://127.0.0.1:1337 (Success) in /in/XjhRa on line 3 Warning: stream_socket_server(): unable to connect to tcp://127.0.0.1:1337 (Success) in /in/XjhRa on line 4
Output for 8.0.0 - 8.0.12
Warning: stream_socket_server(): Unable to connect to tcp://127.0.0.1:1337 (Address already in use) in /in/XjhRa on line 4
Output for 8.0.13 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
Warning: stream_socket_server(): Unable to connect to tcp://127.0.0.1:1337 (Success) in /in/XjhRa on line 3 Warning: stream_socket_server(): Unable to connect to tcp://127.0.0.1:1337 (Success) in /in/XjhRa on line 4

preferences:
40.23 ms | 1164 KiB | 21 Q