csu3_am335x/EVSE/GPL/php-8.1.12/ext/sockets/tests/ipv4loop.phpt

--TEST--
IPv4 Loopback test
--EXTENSIONS--
sockets
--FILE--
<?php
    /* Setup socket server */
    $server = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
    if (!$server) {
        die('Unable to create AF_INET socket [server]');
    }

    if (!socket_bind($server, '127.0.0.1', 0)) {
        die("Unable to bind to 127.0.0.1");
    }

    if (!socket_listen($server, 2)) {
        die('Unable to listen on socket');
    }

    socket_getsockname($server, $unused, $port);

    /* Connect to it */
    $client = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
    if (!$client) {
        die('Unable to create AF_INET socket [client]');
    }
    if (!socket_connect($client, '127.0.0.1', $port)) {
        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
"