<?php

/* Enable error messages */
ini_set('display_errors', 'On');
error_reporting(E_ALL);

/* Character set to UFT-8 */
mb_internal_encoding("UTF-8");

/* Create socket */
$host = gethostbyname("api.vndb.org");
$portListen = 19534;
$sSender = socket_create(AF_INET, SOCK_STREAM, 0) or die("Could not create socket\n");
socket_connect($sSender, $host, $portListen) or die("Could not connect\n");

/* Attempt to keep connection open longer so packets can finish their journey */
$linger = array('l_linger' => 1, 'l_onoff' => 1);
socket_set_option($sSender, SOL_SOCKET, SO_LINGER, $linger);
socket_set_option($sSender, SOL_SOCKET, SO_KEEPALIVE, 1);

/* Send login response */
$msg = 'login {"protocol":1,"client":"testing321","clientver":0.1}\x04';
socket_write($sSender, utf8_encode($msg), strlen(utf8_encode($msg))) or die("Could not write output\n");

/* Receive server response */
echo socket_read($sSender, 3, PHP_NORMAL_READ) or die("Could not read data\n");

/* Close socket */
socket_close($sSender);

?>