View difference between Paste ID: 3LJcaTpX and pfDMxZBg

 <?php
 // stat.php - returns server status for a CSRV chat server
 // customize for fit your needs
 //                                                -Patrick
 
 /* THIS IS HOW SOCKETS ARE USED [for reference]
  *   $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
  *   $result = socket_connect($socket, $address, $service_port);
  *   socket_write($socket, $in, strlen($in));
  *   $out = socket_read($socket, 2048);
  */
 
 // some variables we'll need to connect to the server
 $addr = $_GET['addr'] or "127.0.0.1";   // address of the server to connect to
 $port = $_GET['port'] or 2303;          // port to use when connecting
 $port = 2303;
 
 $user = $_GET['user'] or                // the user used to connect to the server
   die("ERROR: need to specify a user\n");
 $pass = $_GET['pass'] or                // the user's password
   die("ERROR: need to specify a pass\n");
 
 // TODO: specify which stats to get
 
 // some useful functions for talking to the server
 // connect to server
 function connect($addr, $port) {
   $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
   if(!$socket) {
     die("ERROR: can't make a socket\n");
   }
   if(!socket_connect($socket, $addr, $port)) {
     die("ERROR: con't connect to server\n");
   }
   return $socket;
 }
 
 // send data to the server
 function send($socket, $text) {
   socket_write($socket, $text, strlen($text));
 }
 
 // read from server
 function read($socket) {
   return socket_read($socket, 2048);
 }
 
 function verify($socket) {
   $response = read($socket);
   if(rtrim($response) != "WELCOME") {
     echo "ERROR: wrong response from server\n";
     die($response);
   }
   return true;
 }
 
 // log in to server
 function login($socket, $user, $pass) {
   // send the server which username we're using
   send($socket, "USER ".$user."\r\n");
   $response = read($socket);
   if(rtrim($response) != ("STATUS USER ".$user)) {
     echo "ERROR: wrong response to USER\n";
     die($response);
   }
   send($socket, "PASS ".$pass."\r\n");
   $response = read($socket);
   if(rtrim($response) != ("STATUS LOGIN !".$user)) {
     die("ERROR: user can't be logged in\n");
   }
 }
 
 function logout($socket) {
   send($socket, "QUIT\r\n");
 }
 
 // close connection
 function close_connection($socket) {
   socket_close($socket);
 }
 
 // actual code, this is where we use these functions
 // establish a connection
 $conn = connect($addr, $port);
 // verify the connection
 verify($conn);
 // log in
 login($conn, $user, $pass);
 
 // send some stat command
 send($conn, "USERLIST\r\n");
 echo read($conn);
 
 // close the connection
 close_connection($conn);
 ?>