如何使用PHP分别运行2个SSH命令？

Question

我想通过PHP使用SSH连接来运行Bash脚本。

我写了一个脚本来进行备份和恢复的MySQL数据库和我还在测试，以实现这一目标。我在尝试 运行两个不同的简单命令时遇到了问题。我的代码是：

<?php 
if (!function_exists("ssh2_connect")) die("function ssh2_connect doesn't exist"); 

if(!($con = ssh2_connect("server.hosting.com", 22))){ 
    echo "fail: unable to establish connection\n"; 
} else { 

    if(!ssh2_auth_password($con, "username", "password")) { 
     echo "fail: unable to authenticate\n"; 
    } else { 
     // allright, we're in! 
     echo "okay: logged in...\n"; 




     if (!($stream = ssh2_exec($con, "cd directory "))) { 
      echo "fail: unable to execute command\n"; 
     } else { 
      // collect returning data from command 
      stream_set_blocking($stream, true); 
      $data = ""; 
      while ($buf = fread($stream,4096)) { 
       $data .= $buf; 
      } 
      fclose($stream); 
     } 
if (!($stream = ssh2_exec($con, "mkdir directiry2"))) { 
      echo "fail: unable to execute command\n"; 
     } else { 
      // collect returning data from command 
      stream_set_blocking($stream, true); 
      $data = ""; 
      while ($buf = fread($stream,4096)) { 
       $data .= $buf; 
      } 
      fclose($stream); 
     } 
    } 
} 
?> 

它仍然创建另一个目录，但不在“目录”里面！ 请帮忙!!!

Answer 1

的问题是，当你做CD的“状态”之后丢失。该phpseclib文档详细说明：

http://phpseclib.sourceforge.net/ssh/examples.html#chdir，

如果你想能够cd到一个目录，然后在该目录中，你可以链的东西做的东西。例如。 $ssh->exec('cd directory; mkdir directiry2');