getVersion() public method

Find out what version mode we're running in
public getVersion ( ) : string
return string
 /**
  * Get the correct version of a configurator from a socket
  *
  * @param  Nexcessnet_Turpentine_Model_Varnish_Admin_Socket $socket
  * @return Nexcessnet_Turpentine_Model_Varnish_Configurator_Abstract
  */
 public static function getFromSocket($socket)
 {
     try {
         $version = $socket->getVersion();
     } catch (Mage_Core_Exception $e) {
         Mage::getSingleton('core/session')->addError('Error determining Varnish version: ' . $e->getMessage());
         return null;
     }
     switch ($version) {
         case '3.0':
             return Mage::getModel('turpentine/varnish_configurator_version3', array('socket' => $socket));
         case '2.1':
             return Mage::getModel('turpentine/varnish_configurator_version2', array('socket' => $socket));
         default:
             Mage::throwException('Unsupported Varnish version');
     }
 }