title: Composer install failed with PEAR
body: <p>I am working in Magento 2 code migration tool, there I am stucked at composer install.</p>
  
  <p>Error is as below :-
  In RemoteFilesystem.php line 515:</p>
  
  <p>The "<a href="https://pear.php.net/get/Archive_Tar-1.4.3.tgz" rel="nofollow noreferrer">https://pear.php.net/get/Archive_Tar-1.4.3.tgz</a>" file could not be downloaded: Peer certificate CN=<code>mail.cweiske.de' did not match expected CN=</code>pear.php.net'<br>
    Failed to enable crypto<br>
    failed to open stream: operation failed  </p>
  
  <p>How overcome from this error ?</p>