original_string: protected function getFormFieldName($locale = null)
      {
          if ( ! $locale) {
              return $this->field->key();
          }
  
          return $this->field->key() . '[' . $locale . ']';
      }
code: protected function getFormFieldName($locale = null)
      {
          if ( ! $locale) {
              return $this->field->key();
          }
  
          return $this->field->key() . '[' . $locale . ']';
      }
code_tokens: protected function getFormFieldName ( $ locale = null ) { if ( ! $ locale ) { return $ this -> field -> key ( ) ; } return $ this -> field -> key ( ) . '[' . $ locale . ']' ; }
docstring: Returns name for the form field input tag.
  
  @param null|string $locale
  @return string
docstring_tokens: Returns name for the form field input tag .