1. function socketSendMsg($url,$ip,$port,$sourcePort=8294)
    2. {
    3.     // Create a new socket
    4.     $sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
    6.     // An example list of IP addresses owned by the computer
    7.     $sourceips['kevin']    = '127.0.0.1';
    8.     $sourceips['madcoder'] = '127.0.0.2';
    10.     // Bind the source address, $sourcePort是发起端主机绑定的端口
    11.     socket_bind($sock, '0.0.0.0',$sourcePort);
    13.     // Connect to destination address
    14.     socket_connect($sock, $ip, $port);
    16.     // Write
    17.     $http = "GET {$url} HTTP/1.1\r\n";
    18.     $http.="Host: {$ip}:{$port}\r\n";
    19.     $http.="Content-type:application/json;charset=utf-8\r\n";
    20.     $http.="Connection:Close\r\n\r\n";
    22.     socket_write($sock, $http);
    23.     //socket_read()
    24.     //$message = array();
    25.     //socket_recvmsg($sock,$message);
    26.     $msg = '';
    27.     while (true) {
    28.         $buf = "";
    29.         if (false !== ($bytes = socket_recv($sock, $buf, 2048, MSG_WAITALL))) {
    30.             if($bytes===0){
    31.                 break;
    32.             }
    33.             $msg .= $buf;
    34.         }else{
    35.             break;
    36.         }
    37.     }
    38.     // Close
    39.     socket_close($sock);
    41.     $arr = explode("\r\n",$msg);
    42.     $jsonStr = $arr[count($arr)-1];
    43.     $resp = json_decode($jsonStr,true);
    45.     return $resp;
    47.     //var_dump($buf);
    48. }