├── README.md
├── example.php
└── socket.io.php


/README.md:
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 1 | PHP_SocketIO_Client
 2 | ===================
 3 | 
 4 | EN: PHP client for socket.io (websocket client)
 5 | 
 6 | How to use:
 7 | ```
 8 | $socketio = new SocketIO();
 9 | if ($socketio->send('localhost', 9090, 'message', 'Hello world!')){
10 |     echo 'we sent the message and disconnected';
11 | } else {
12 |     echo 'Sorry, we have a mistake :\'(';
13 | }
14 | ```
15 | 
16 | 
17 | 
18 | RUS: PHP клиент для socket.io
19 | 
20 | Как использовать:
21 | ```
22 | $socketio = new SocketIO();
23 | if ($socketio->send('localhost', 9090, 'message', 'Привет мир!')){
24 |     echo 'Мы отправили сообщение и отключились от сокета';
25 | } else {
26 |     echo 'Возникла ошибка при общении с  веб-сокетом :\'(';
27 | }
28 | ```
29 | 
30 | 
31 | Thanks to:
32 | =====================
33 | bitkill
34 | 


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/example.php:
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 1 | <?php
 2 | 
 3 | include_once ('socket.io.php');
 4 | 
 5 | //Create a socket.io connection and send a simple message
 6 | $socketio = new SocketIO();
 7 | if ($socketio->send('localhost', 9090, 'Hello world!')){
 8 |     echo 'we sent the message and disconnected';
 9 | } else {
10 |     echo 'Sorry, we have a mistake :\'(';
11 | }
12 | 
13 | 
14 | 
15 | ?>


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/socket.io.php:
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  1 | <?php
  2 | /**
  3 |  * Class SocketIO
  4 |  * develope by psinetron (slybeaver)
  5 |  * Git: https://github.com/psinetron
  6 |  * web-site: http://slybeaver.ru
  7 |  *
  8 |  */
  9 | class SocketIO
 10 | {
 11 |     /**
 12 |      * @param null $host - $host of socket server
 13 |      * @param null $port - port of socket server
 14 |      * @param string $action - action to execute in sockt server
 15 |      * @param null $data - message to socket server
 16 |      * @param string $address - addres of socket.io on socket server
 17 |      * @param string $transport - transport type
 18 |      * @return bool
 19 |      */
 20 |     public function send($host = null, $port = null, $action= "message",  $data = null, $address = "/socket.io/?EIO=2", $transport = 'websocket')
 21 |     {
 22 |         $fd = fsockopen($host, $port, $errno, $errstr);
 23 |         if (!$fd) {
 24 |             return false;
 25 |         } //Can't connect tot server
 26 |         $key = $this->generateKey();
 27 |         $out = "GET $address&transport=$transport HTTP/1.1\r\n";
 28 |         $out.= "Host: http://$host:$port\r\n";
 29 |         $out.= "Upgrade: WebSocket\r\n";
 30 |         $out.= "Connection: Upgrade\r\n";
 31 |         $out.= "Sec-WebSocket-Key: $key\r\n";
 32 |         $out.= "Sec-WebSocket-Version: 13\r\n";
 33 |         $out.= "Origin: *\r\n\r\n";
 34 | 
 35 |         fwrite($fd, $out);
 36 |         // 101 switching protocols, see if echoes key
 37 |         $result= fread($fd,10000);
 38 | 
 39 |         preg_match('#Sec-WebSocket-Accept:\s(.*)$#mU', $result, $matches);
 40 |         $keyAccept = trim($matches[1]);
 41 |         $expectedResonse = base64_encode(pack('H*', sha1($key . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
 42 |         $handshaked = ($keyAccept === $expectedResonse) ? true : false;
 43 |         if ($handshaked){
 44 |             fwrite($fd, $this->hybi10Encode('42["' . $action . '", "' . addslashes($data) . '"]'));
 45 |             fread($fd,1000000);
 46 |             return true;
 47 |         } else {return false;}
 48 |     }
 49 |     private function generateKey($length = 16)
 50 |     {
 51 |         $c = 0;
 52 |         $tmp = '';
 53 |         while ($c++ * 16 < $length) { $tmp .= md5(mt_rand(), true); }
 54 |         return base64_encode(substr($tmp, 0, $length));
 55 |     }
 56 |     private function hybi10Encode($payload, $type = 'text', $masked = true)
 57 |     {
 58 |         $frameHead = array();
 59 |         $payloadLength = strlen($payload);
 60 |         switch ($type) {
 61 |             case 'text':
 62 |                 $frameHead[0] = 129;
 63 |                 break;
 64 |             case 'close':
 65 |                 $frameHead[0] = 136;
 66 |                 break;
 67 |             case 'ping':
 68 |                 $frameHead[0] = 137;
 69 |                 break;
 70 |             case 'pong':
 71 |                 $frameHead[0] = 138;
 72 |                 break;
 73 |         }
 74 |         if ($payloadLength > 65535) {
 75 |             $payloadLengthBin = str_split(sprintf('%064b', $payloadLength), 8);
 76 |             $frameHead[1] = ($masked === true) ? 255 : 127;
 77 |             for ($i = 0; $i < 8; $i++) {
 78 |                 $frameHead[$i + 2] = bindec($payloadLengthBin[$i]);
 79 |             }
 80 |             if ($frameHead[2] > 127) {
 81 |                 $this->close(1004);
 82 |                 return false;
 83 |             }
 84 |         } elseif ($payloadLength > 125) {
 85 |             $payloadLengthBin = str_split(sprintf('%016b', $payloadLength), 8);
 86 |             $frameHead[1] = ($masked === true) ? 254 : 126;
 87 |             $frameHead[2] = bindec($payloadLengthBin[0]);
 88 |             $frameHead[3] = bindec($payloadLengthBin[1]);
 89 |         } else {
 90 |             $frameHead[1] = ($masked === true) ? $payloadLength + 128 : $payloadLength;
 91 |         }
 92 |         foreach (array_keys($frameHead) as $i) {
 93 |             $frameHead[$i] = chr($frameHead[$i]);
 94 |         }
 95 |         if ($masked === true) {
 96 |             $mask = array();
 97 |             for ($i = 0; $i < 4; $i++) {
 98 |                 $mask[$i] = chr(rand(0, 255));
 99 |             }
100 |             $frameHead = array_merge($frameHead, $mask);
101 |         }
102 |         $frame = implode('', $frameHead);
103 |         for ($i = 0; $i < $payloadLength; $i++) {
104 |             $frame .= ($masked === true) ? $payload[$i] ^ $mask[$i % 4] : $payload[$i];
105 |         }
106 |         return $frame;
107 |     }
108 | }
109 | 


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