original_string: protected function validateField( $field, $value )
      {
          switch ( $field )
          {
              case 'website':
                  return ezcomUtility::validateURLString( $value );
              case 'email':
                  // just validate anonymous's input email
                  $user = eZUser::currentUser();
                  if( $user->isAnonymous() )
                  {
                      $result = eZMail::validate( $value );
                      if ( !$result )
                      {
                          return ezpI18n::tr( 'ezcomments/comment/add', 'Not a valid email address.' );
                      }
                  }
                  return true;
              case 'recaptcha':
                  require_once 'recaptchalib.php';
                  $ini = eZINI::instance( 'ezcomments.ini' );
                  $privateKey = $ini->variable( 'RecaptchaSetting' , 'PrivateKey' );
                  $http = eZHTTPTool::instance();
                  if( $http->hasPostVariable( 'recaptcha_challenge_field' ) &&
                      $http->hasPostVariable( 'recaptcha_response_field' ) )
                  {
                      $ip = $_SERVER["REMOTE_ADDR"];
                      $challengeField = $http->postVariable( 'recaptcha_challenge_field' );
                      $responseField = $http->postVariable( 'recaptcha_response_field' );
                      $capchaResponse = recaptcha_check_answer( $privateKey, $ip, $challengeField, $responseField );
                      if( !$capchaResponse->is_valid )
                      {
                           return ezpI18n::tr( 'ezcomments/comment/add', 'The words you input are incorrect.' );
                      }
                  }
                  else
                  {
                      return ezpI18n::tr( 'ezcomments/comment/add', 'Captcha parameter error.' );
                  }
                  return true;
              default:
                  return true;
          }
      }
code: protected function validateField( $field, $value )
      {
          switch ( $field )
          {
              case 'website':
                  return ezcomUtility::validateURLString( $value );
              case 'email':
                  // just validate anonymous's input email
                  $user = eZUser::currentUser();
                  if( $user->isAnonymous() )
                  {
                      $result = eZMail::validate( $value );
                      if ( !$result )
                      {
                          return ezpI18n::tr( 'ezcomments/comment/add', 'Not a valid email address.' );
                      }
                  }
                  return true;
              case 'recaptcha':
                  require_once 'recaptchalib.php';
                  $ini = eZINI::instance( 'ezcomments.ini' );
                  $privateKey = $ini->variable( 'RecaptchaSetting' , 'PrivateKey' );
                  $http = eZHTTPTool::instance();
                  if( $http->hasPostVariable( 'recaptcha_challenge_field' ) &&
                      $http->hasPostVariable( 'recaptcha_response_field' ) )
                  {
                      $ip = $_SERVER["REMOTE_ADDR"];
                      $challengeField = $http->postVariable( 'recaptcha_challenge_field' );
                      $responseField = $http->postVariable( 'recaptcha_response_field' );
                      $capchaResponse = recaptcha_check_answer( $privateKey, $ip, $challengeField, $responseField );
                      if( !$capchaResponse->is_valid )
                      {
                           return ezpI18n::tr( 'ezcomments/comment/add', 'The words you input are incorrect.' );
                      }
                  }
                  else
                  {
                      return ezpI18n::tr( 'ezcomments/comment/add', 'Captcha parameter error.' );
                  }
                  return true;
              default:
                  return true;
          }
      }
code_tokens: protected function validateField ( $ field , $ value ) { switch ( $ field ) { case 'website' : return ezcomUtility :: validateURLString ( $ value ) ; case 'email' : // just validate anonymous's input email $ user = eZUser :: currentUser ( ) ; if ( $ user -> isAnonymous ( ) ) { $ result = eZMail :: validate ( $ value ) ; if ( ! $ result ) { return ezpI18n :: tr ( 'ezcomments/comment/add' , 'Not a valid email address.' ) ; } } return true ; case 'recaptcha' : require_once 'recaptchalib.php' ; $ ini = eZINI :: instance ( 'ezcomments.ini' ) ; $ privateKey = $ ini -> variable ( 'RecaptchaSetting' , 'PrivateKey' ) ; $ http = eZHTTPTool :: instance ( ) ; if ( $ http -> hasPostVariable ( 'recaptcha_challenge_field' ) && $ http -> hasPostVariable ( 'recaptcha_response_field' ) ) { $ ip = $ _SERVER [ "REMOTE_ADDR" ] ; $ challengeField = $ http -> postVariable ( 'recaptcha_challenge_field' ) ; $ responseField = $ http -> postVariable ( 'recaptcha_response_field' ) ; $ capchaResponse = recaptcha_check_answer ( $ privateKey , $ ip , $ challengeField , $ responseField ) ; if ( ! $ capchaResponse -> is_valid ) { return ezpI18n :: tr ( 'ezcomments/comment/add' , 'The words you input are incorrect.' ) ; } } else { return ezpI18n :: tr ( 'ezcomments/comment/add' , 'Captcha parameter error.' ) ; } return true ; default : return true ; } }
docstring: Implement the validatation in adding comment
  @see extension/ezcomments/classes/ezcomFormTool#validateField($field)
docstring_tokens: Implement the validatation in adding comment