original_string: public function authenticate() {
          $id = $this->_id;
          if (!empty($id)) {
              $consumer = new Zend_OpenId_Consumer($this->_storage);
              $consumer->setHttpClient($this->_httpClient);
              /* login() is never returns on success */
              if (!$this->_check_immediate) {
                  if (!$consumer->login($id,
                          $this->_returnTo,
                          $this->_root,
                          $this->_extensions,
                          $this->_response)) {
                      return new Zend_Auth_Result(
                          Zend_Auth_Result::FAILURE,
                          $id,
                          array("Authentication failed", $consumer->getError()));
                  }
              } else {
                  if (!$consumer->check($id,
                          $this->_returnTo,
                          $this->_root,
                          $this->_extensions,
                          $this->_response)) {
                      return new Zend_Auth_Result(
                          Zend_Auth_Result::FAILURE,
                          $id,
                          array("Authentication failed", $consumer->getError()));
                  }
              }
          } else {
              $params = (isset($_SERVER['REQUEST_METHOD']) &&
                         $_SERVER['REQUEST_METHOD']=='POST') ? $_POST: $_GET;
              $consumer = new Zend_OpenId_Consumer($this->_storage);
              $consumer->setHttpClient($this->_httpClient);
              if ($consumer->verify(
                      $params,
                      $id,
                      $this->_extensions)) {
                  return new Zend_Auth_Result(
                      Zend_Auth_Result::SUCCESS,
                      $id,
                      array("Authentication successful"));
              } else {
                  return new Zend_Auth_Result(
                      Zend_Auth_Result::FAILURE,
                      $id,
                      array("Authentication failed", $consumer->getError()));
              }
          }
      }
code: public function authenticate() {
          $id = $this->_id;
          if (!empty($id)) {
              $consumer = new Zend_OpenId_Consumer($this->_storage);
              $consumer->setHttpClient($this->_httpClient);
              /* login() is never returns on success */
              if (!$this->_check_immediate) {
                  if (!$consumer->login($id,
                          $this->_returnTo,
                          $this->_root,
                          $this->_extensions,
                          $this->_response)) {
                      return new Zend_Auth_Result(
                          Zend_Auth_Result::FAILURE,
                          $id,
                          array("Authentication failed", $consumer->getError()));
                  }
              } else {
                  if (!$consumer->check($id,
                          $this->_returnTo,
                          $this->_root,
                          $this->_extensions,
                          $this->_response)) {
                      return new Zend_Auth_Result(
                          Zend_Auth_Result::FAILURE,
                          $id,
                          array("Authentication failed", $consumer->getError()));
                  }
              }
          } else {
              $params = (isset($_SERVER['REQUEST_METHOD']) &&
                         $_SERVER['REQUEST_METHOD']=='POST') ? $_POST: $_GET;
              $consumer = new Zend_OpenId_Consumer($this->_storage);
              $consumer->setHttpClient($this->_httpClient);
              if ($consumer->verify(
                      $params,
                      $id,
                      $this->_extensions)) {
                  return new Zend_Auth_Result(
                      Zend_Auth_Result::SUCCESS,
                      $id,
                      array("Authentication successful"));
              } else {
                  return new Zend_Auth_Result(
                      Zend_Auth_Result::FAILURE,
                      $id,
                      array("Authentication failed", $consumer->getError()));
              }
          }
      }
code_tokens: public function authenticate ( ) { $ id = $ this -> _id ; if ( ! empty ( $ id ) ) { $ consumer = new Zend_OpenId_Consumer ( $ this -> _storage ) ; $ consumer -> setHttpClient ( $ this -> _httpClient ) ; /* login() is never returns on success */ if ( ! $ this -> _check_immediate ) { if ( ! $ consumer -> login ( $ id , $ this -> _returnTo , $ this -> _root , $ this -> _extensions , $ this -> _response ) ) { return new Zend_Auth_Result ( Zend_Auth_Result :: FAILURE , $ id , array ( "Authentication failed" , $ consumer -> getError ( ) ) ) ; } } else { if ( ! $ consumer -> check ( $ id , $ this -> _returnTo , $ this -> _root , $ this -> _extensions , $ this -> _response ) ) { return new Zend_Auth_Result ( Zend_Auth_Result :: FAILURE , $ id , array ( "Authentication failed" , $ consumer -> getError ( ) ) ) ; } } } else { $ params = ( isset ( $ _SERVER [ 'REQUEST_METHOD' ] ) && $ _SERVER [ 'REQUEST_METHOD' ] == 'POST' ) ? $ _POST : $ _GET ; $ consumer = new Zend_OpenId_Consumer ( $ this -> _storage ) ; $ consumer -> setHttpClient ( $ this -> _httpClient ) ; if ( $ consumer -> verify ( $ params , $ id , $ this -> _extensions ) ) { return new Zend_Auth_Result ( Zend_Auth_Result :: SUCCESS , $ id , array ( "Authentication successful" ) ) ; } else { return new Zend_Auth_Result ( Zend_Auth_Result :: FAILURE , $ id , array ( "Authentication failed" , $ consumer -> getError ( ) ) ) ; } } }
docstring: Authenticates the given OpenId identity.
  Defined by Zend_Auth_Adapter_Interface.
  
  @throws Zend_Auth_Adapter_Exception If answering the authentication query is impossible
  @return Zend_Auth_Result
docstring_tokens: Authenticates the given OpenId identity . Defined by Zend_Auth_Adapter_Interface .