--TEST-- IPv4 Loopback test --SKIPIF-- <?php if (!extension_loaded('sockets')) { die('skip sockets extenion not available.'); } ?> --FILE-- <?php /* Setup socket server */ $server = socket_create(AF_INET, SOCK_STREAM, getprotobyname('tcp')); if (!$server) { die('Unable to create AF_INET socket [server]'); } if (!socket_bind($server, '127.0.0.1', 31337)) { die('Unable to bind to 127.0.0.1:31337'); } if (!socket_listen($server, 2)) { die('Unable to listen on socket'); } /* Connect to it */ $client = socket_create(AF_INET, SOCK_STREAM, getprotobyname('tcp')); if (!$client) { die('Unable to create AF_INET socket [client]'); } if (!socket_connect($client, '127.0.0.1', 31337)) { die('Unable to connect to server socket'); } /* Accept that connection */ $socket = socket_accept($server); if (!$socket) { die('Unable to accept connection'); } socket_write($client, "ABCdef123\n"); $data = socket_read($socket, 10, PHP_BINARY_READ); var_dump($data); socket_close($client); socket_close($socket); socket_close($server); ?> --EXPECT-- string(10) "ABCdef123 "