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POPHP ssh2_exec() from Ubuntu Server to Windows with OpenSSH in Cygwin - works but fails the second time
 

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  1. POPHP ssh2_exec() from Ubuntu Server to Windows with OpenSSH in Cygwin - works but fails the second time
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    <p>I had been using PHP's ssh_connect() and multiple ssh_exec() between two Ubuntu VMs without any problems. However, now I need to call <strong>multiple</strong> ssh_exec() from <strong>Ubuntu Server</strong> to <strong>Windows</strong> machine via <strong>OpenSSH/Cygwin</strong>. The result from ssh2_exec() in the following code prints an Array of files located at /var/www the first time, but returns empty array the second or more times. </p> <p>If I use ssh2_connect before the second ssh_exec() it returns an array of files again. I even attempted to use phpseclib but had the same problem. Also, I need to execute other commands like Git so PHP functions like opendir() or readdir() won't be sufficient to solve this problem.</p> <pre><code>&lt;?php $host = "10.xx.x.xx"; $username = "sagunms"; $password = "password"; $conn = ssh2_connect($host, 22); if (ssh2_auth_password($conn, $username, $password) === false) { throw new Exception('Login is invalid'); } //First time execution - returns array of files successfully $stream = ssh2_exec($conn, 'cd /var/www &amp;&amp; ls'); stream_set_blocking($stream, true); $cmdOutput = fread($stream, 4096); fclose($stream); $result = explode("\n", $cmdOutput); // Convert string to array print_r($result); // Print array echo "&lt;hr/&gt;"; //Second time execution - returns an "empty array" but no errors seen $stream = ssh2_exec($conn, 'cd /var/www &amp;&amp; ls'); stream_set_blocking($stream, true); $cmdOutput = fread($stream, 4096); fclose($stream); $result = explode("\n", $cmdOutput); // Convert string to array print_r($result); // Print array ?&gt; </code></pre> <p>Is there something in Cygwin OpenSSH that is causing this problem? Thanks.</p>
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    1. COI could only find an unanswered post with similar problem: [link](http://bytes.com/topic/php/answers/469612-ssh2_exec-cygwin-win2003)
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