original_string: protected function _emptyValue($value)
      {
          if ($value === true) {
              return ['' => ''];
          }
          if (is_scalar($value)) {
              return ['' => $value];
          }
          if (is_array($value)) {
              return $value;
          }
  
          return [];
      }
code: protected function _emptyValue($value)
      {
          if ($value === true) {
              return ['' => ''];
          }
          if (is_scalar($value)) {
              return ['' => $value];
          }
          if (is_array($value)) {
              return $value;
          }
  
          return [];
      }
code_tokens: protected function _emptyValue ( $ value ) { if ( $ value === true ) { return [ '' => '' ] ; } if ( is_scalar ( $ value ) ) { return [ '' => $ value ] ; } if ( is_array ( $ value ) ) { return $ value ; } return [ ] ; }
docstring: Generate the empty value based on the input.
  
  @param string|bool|array $value The provided empty value.
  @return array The generated option key/value.
docstring_tokens: Generate the empty value based on the input .