<?php
if (!function_exists(“ssh2_connect”)) die(“function ssh2_connect doesn’t exist”);
if (!($con = ssh2_connect(‘192.168.155.123’, 22))) {
    echo “fail: unable to establish connection\n”;
} else {
    // try to authenticate with username root, password secretpassword
   if (!ssh2_auth_password($con, ‘root’, ‘juniper@123’)) {
        echo “fail: unable to authenticate\n”;
    } else {
        // allright, we’re in!
        echo “okay: logged in…\n”;
//////////////////////////////////////////////////////////////////////////
$stream = ssh2_exec($con, ‘whoami’);
// force PHP to wait for the output
stream_set_blocking($stream, true);
// read the output into a variable
$data = ”;
while($buffer = fread($stream, 4096)) {
  $data .= $buffer;
}
// close the stream
fclose($stream);
// print the response
echo $data;
//////////////////////////////////////////////////////////////////////////
    } //end else can authenticate
} //  end else can  connect
?>

===============================

*** used  php_ssh2.dll ***  

config  php.ini

================================

extension=php_openssl.dll
extension=php_ssh2.dll