original_string: private function utf8(&$value, &$key)
      {
          if (is_string($value)) {
              $value = utf8_encode($value);
          }
  
          if (is_array($value)) {
              array_walk_recursive($value, array($this, 'utf8'));
          }
    }
code: private function utf8(&$value, &$key)
      {
          if (is_string($value)) {
              $value = utf8_encode($value);
          }
  
          if (is_array($value)) {
              array_walk_recursive($value, array($this, 'utf8'));
          }
    }
code_tokens: private function utf8 ( & $ value , & $ key ) { if ( is_string ( $ value ) ) { $ value = utf8_encode ( $ value ) ; } if ( is_array ( $ value ) ) { array_walk_recursive ( $ value , array ( $ this , 'utf8' ) ) ; } }
docstring: Encode the result recursivily as utf8.
  
  @param mixed  $value
  @param string $key
docstring_tokens: Encode the result recursivily as utf8 .