C++代码：

#include <iostream>
#include <windows.h>
using namespace std;

int main()
{
    while(1)
{
    // 创建管道服务器
    char strPipeName[] = "\\\\.\\pipe\\tongxun";// \\\\.\\pipe\\ = IPC通信共享内存文件目录  tongxun = 命名名称
    char szBuf[1024] = {0};
    DWORD dwRead ;
    //DWORD userID;
    //char cmd;

    PSECURITY_DESCRIPTOR psd;
    psd = (PSECURITY_DESCRIPTOR) LocalAlloc(LPTR, SECURITY_DESCRIPTOR_MIN_LENGTH);
    if (!InitializeSecurityDescriptor(psd, SECURITY_DESCRIPTOR_REVISION))
    {
        LocalFree((HLOCAL)psd);
        return -1;
    }
    if (!SetSecurityDescriptorDacl(psd, TRUE, (PACL)NULL, FALSE))
    {
        LocalFree((HLOCAL)psd);
        return -1;
    }
    SECURITY_ATTRIBUTES saAttr;
    saAttr.nLength =sizeof(SECURITY_ATTRIBUTES);
    saAttr.lpSecurityDescriptor = psd;
    saAttr.bInheritHandle = TRUE;
    HANDLE hIPC = CreateNamedPipe(strPipeName,
            PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
            PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT,
            1, 0, 0, 1000, &saAttr);
    if (hIPC == INVALID_HANDLE_VALUE)
    {
        return -1;
    }
    cout <<"创建 ------------------------------" <<endl;
    // 连接管道，持续等待，直到有客户链接成功

    if(ConnectNamedPipe(hIPC, NULL)){
         cout <<"链接  √" <<endl;
    }else{
         cout <<"链接 ×" <<endl;
    }


    // 从管道读取信息，持续等待，直到客户写入数据
    if (!ReadFile(hIPC, szBuf, sizeof(szBuf), &dwRead, 0))
    {
        cout <<"未读取到数据" <<endl;
        break;
    }

    //处理读到的数据szBuf...
         cout << "读： "<< szBuf <<endl;

    //写数据...
    char msg[] = "C++服务端写入的内容";

    if(WriteFile(hIPC, msg, strlen(msg), &dwRead, NULL)){
        cout << "写 √"<<endl;
    }else{
         cout << "写 ×"<<endl;
    }

   // Sleep(100);
     CloseHandle(hIPC);
}
    return 0;
}

PHP代码：

<?php 

echo Pipe("PHP 写入的数据");
function Pipe($msg)     
{     
  $fp = @fopen("\\\\.\\pipe\\tongxun", 'w+r+b');    // \\\\.\\pipe\\ = IPC通信共享内存文件目录  tongxun = 命名名称
  
  @fwrite($fp,$msg);//写
  $result = @fread($fp,100);//读   
  
  return $result ;

  fclose($fp);     
}  
?>