Php+html5 method for implementing chat rooms based on WebSocket, html5websocket_php tutorial

Php+html5 the method of implementing the chat room based on WebSocket, Html5websocket

This paper describes the method of PHP+HTML5 based on WebSocket to implement the chat room. Share to everyone for your reference. Specific as follows:

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

<?phperror_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, $buffer);  }}}}} function close ($sock) {$k =array_search ($sock, $this->sockets);  Socket_close ($sock);  unset ($this->sockets[$k]);  unset ($this->users[$k]); $this->e ("Key: $k close");  The function search ($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/1.1 101 switchingProtocols\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 $data;  } function code ($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 '], $st   R,strlen ($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 the 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 is helpful to everyone's PHP programming.

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