3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo function_exists("socket_import_stream"), "\n"; echo defined("SOL_SOCKET"), "\n"; echo defined("SO_KEEPALIVE"), "\n";
Output for 5.4.36 - 7.2.0
Output for 5.4.0 - 5.4.35
1 1 1
Output for 4.3.0 - 5.3.29
1 1