Php+html5 method of realizing chat room based on WebSocket _php skill

This article illustrates the PHP+HTML5 method based on WebSocket to realize the chat room. Share to everyone for your reference. as follows:

HTML5 WebSocket realize two-way communication, toss a few days to get a chat room, share to everyone

<?php error_reporting (E_all);
Ob_implicit_flush ();
$sk =new sock (' 127.0.0.1 ', 8000);
$sk->run ();
 Class sock{public $sockets;
 Public $users;
 Public $master;
  Public function __construct ($address, $port) {$this->master= $this->websocket ($address, $port);
 $this->sockets=array (' s ' => $this->master);
   function run () {while (true) {$changes = $this->sockets;
   Socket_select ($changes, $write =null, $except =null,null);
     foreach ($changes as $sock) {if ($sock = = $this->master) {$client =socket_accept ($this->master);
     $key =uniqid ();
     $this->sockets[]= $client;
    $this->users[]=array (' socket ' => $client, ' Shou ' =>false);
     }else{$len =socket_recv ($sock, $buffer, 2048,0);
     $k = $this->search ($sock);
      if ($len <7) {$name = $this->users[$k] [' Ming '];
      $this->close ($sock);
      $this->send2 ($name, $k);
     Continue } if (! $this->users[$k] [' Shou ']) {$this->woshou ($K, $buffer);
      }else{$buffer = $this->uncode ($buffer);
     $this->send ($k, $buffer);
  The function close ($sock) {$k =array_search ($sock, $this->sockets)}}}
  Socket_close ($sock);
  unset ($this->sockets[$k]);
  unset ($this->users[$k]);
 $this->e ("Key: $k close");
  function Search ($sock) {foreach ($this->users as $k => $v) {if ($sock = = $v [' socket ']) return $k;
 return false;
  function WebSocket ($address, $port) {$server = Socket_create (Af_inet, Sock_stream, sol_tcp);
  Socket_set_option ($server, Sol_socket, SO_REUSEADDR, 1);
  Socket_bind ($server, $address, $port);
  Socket_listen ($server);
  $this->e (' Server started: '. Date (' y-m-d h:i:s '));
  $this->e (' listening on: '. $address. ' Port ' $port);
 return $server;
  function Woshou ($k, $buffer) {$buf = substr ($buffer, Strpos ($buffer, ' Sec-websocket-key: ') +18);
  $key = Trim (substr ($buf, 0,strpos ($buf, "\ r \ n")); $new _key = Base64_encode (SHA1 ($key.) 258eafa5-e914-47da-95ca-c5ab0dc85b11 ", true));
  $new _message = "http/1.1 switching protocols\r\n";
  $new _message. = "upgrade:websocket\r\n";
  $new _message. = "sec-websocket-version:13\r\n";
  $new _message. = "connection:upgrade\r\n"; $new _message. = "Sec-websocket-accept:". $new _key.
  "\r\n\r\n";
  Socket_write ($this->users[$k] [' socket '], $new _message,strlen ($new _message));
  $this->users[$k] [' Shou ']=true;
 return true; 
  function Uncode ($str) {$mask = array (); 
  $data = '; 
  $msg = Unpack (' h* ', $str); 
  $head = substr ($msg [1],0,2); 
  if (Hexdec ($head {1}) = = 8) {$data = false; 
   }else if (Hexdec ($head {1}) = = 1) {$mask [] = Hexdec (substr ($msg [1],4,2)]; 
   $mask [] = Hexdec (substr ($msg [1],6,2)); 
   $mask [] = Hexdec (substr ($msg [1],8,2)); 
   $mask [] = Hexdec (substr ($msg [1],10,2)); 
   $s = 12; 
   $e = strlen ($msg [1])-2; 
   $n = 0;
    for ($i = $s; $i <= $e; $i + 2) {$data. = Chr ($mask [$n%4]^hexdec (substr ($msg [1], $i, 2)); 
   $n + +; } return $daTa
  The function code ($msg) {$msg = preg_replace (Array ('/\r$/', '/\n$/', '/\r\n$/',), ', $msg); 
  $frame = Array (); 
  $frame [0] = ' 81 '; 
  $len = strlen ($msg); $frame [1] = $len <16? ' 
  0 '. Dechex ($len):d Echex ($len); 
  $frame [2] = $this->ord_hex ($msg); 
  $data = Implode (", $frame); 
 Return Pack ("h*", $data); 
  function Ord_hex ($data) {$msg = '; 
  $l = strlen ($data); 
  for ($i = 0; $i < $l; $i + +) {$msg. = Dechex (Ord ($data {$i})); 
 return $msg;
  The function send ($k, $msg) {/* $this->send1 ($k, $this->code ($msg), ' all '); */Parse_str ($msg, $g);
  $this->e ($msg);
  $ar =array ();
   if ($g [' type ']== ' Add ') {$this->users[$k] [' Ming ']= $g [' Ming '];
   $ar [' Add ']=true; $ar [' Nrong ']= ' welcome '. $g [' Ming ']. ' Join!
   ';
   $ar [' Users ']= $this->getusers ();
  $key = ' all ';
   }else if ($g [' type ']== ' Ltiao ') {$ar [' Nrong ']= $g [' nr '];
  $key = $g [' key '];
  $msg =json_encode ($ar);
  $this->e ($msg);
  $msg = $this->code ($msg);
  $this->send1 ($k, $msg, $key); Socket_write ($this->users[$k] [' socket '], $msg, strlen ($msg));
  function Getusers () {$ar =array ();
  foreach ($this->users as $k => $v) {$ar [$k]= $v [' Ming '];
 return $ar; function Send1 ($k, $str, $key = ' All ") {if ($key = = ' All ') {foreach ($this->users as $v) {socket_write ($v [' socket ']
   , $str, strlen ($STR));
   }else{if ($k!= $key) socket_write ($this->users[$k] [' socket '], $STR, strlen ($STR));
  Socket_write ($this->users[$key] [' socket '], $STR, strlen ($STR));
  } function Send2 ($ming, $k) {$ar [' Remove ']=true;
  $ar [' RemoveKey ']= $k;
  $ar [' Nrong ']= $ming. ' Exit chat room ';
  $str = $this->code (Json_encode ($ar));
 $this->send1 (False, $str, ' all '); function e ($str) {$path =dirname (__file__). '
  /log.txt '; $str = $str. "
  \ n ";
  Error_log ($STR, 3, $path);
 echo iconv (' Utf-8 ', ' Gbk//ignore ', $str);

 }}?>

I hope this article will help you with your PHP programming.