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<?php echo "socket extension: ", function_exists("socket_create"), "\n"; echo "socket_import_stream: ", function_exists("socket_import_stream"), "\n"; echo "SOL_SOCKET: ", defined("SOL_SOCKET"), "\n"; echo "SO_KEEPALIVE: ", defined("SO_KEEPALIVE"), "\n";
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 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
socket extension: socket_import_stream: SOL_SOCKET: SO_KEEPALIVE:
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
socket extension: 1 socket_import_stream: SOL_SOCKET: 1 SO_KEEPALIVE: 1

preferences:
278.82 ms | 403 KiB | 454 Q