3v4l.org

run code in 300+ PHP versions simultaneously
<?php $socket = @fsockopen('tcp://irc.quakenet.org', 6667, $errno, $errstr); if(!$socket) die($errstr . ' (' . $errno . ')'); stream_set_blocking($socket, 0); while(!feof($msg = fgets($socket, 510))) { echo $msg, "\n"; }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
php_network_getaddresses: getaddrinfo for irc.quakenet.org failed: System error (0)
Output for 5.5.33, 5.6.18 - 5.6.19, 7.0.4, 7.0.20, 7.1.5 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0 - 7.3.1, 7.3.32 - 7.3.33, 7.4.0, 7.4.26 - 7.4.33, 8.0.13 - 8.0.30
php_network_getaddresses: getaddrinfo failed: System error (0)
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.31, 7.4.3 - 7.4.25, 8.0.0 - 8.0.12
php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution (0)
Output for 5.5.24 - 5.5.32, 5.5.34 - 5.5.35, 5.6.8 - 5.6.17, 5.6.20 - 5.6.28, 7.0.0 - 7.0.3, 7.0.5 - 7.0.6, 7.1.0
php_network_getaddresses: getaddrinfo failed: Name or service not known (0)
preferences:
152.63 ms | 403 KiB | 198 Q