csu3_am335x/EVSE/GPL/php-8.1.12/ext/standard/tests/network/tcp4loop.phpt

--TEST--
Streams Based IPv4 TCP Loopback test
--FILE--
<?php

  for ($i=0; $i<100; $i++) {
    $port = rand(10000, 65000);
    /* Setup socket server */
    $server = @stream_socket_server("tcp://127.0.0.1:$port");
    if ($server) {
      break;
    }
  }
    if (!$server) {
        die('Unable to create AF_INET socket [server]');
    }

    /* Connect to it */
    $client = stream_socket_client("tcp://127.0.0.1:$port");
    if (!$client) {
        die('Unable to create AF_INET socket [client]');
    }

    /* Accept that connection */
    $socket = stream_socket_accept($server);
    if (!$socket) {
        die('Unable to accept connection');
    }

    fwrite($client, "ABCdef123\n");

    $data = fread($socket, 10);
    var_dump($data);

    fclose($client);
    fclose($socket);
    fclose($server);
?>
--EXPECT--
string(10) "ABCdef123
"