original_string: protected function normalizeHeaderName($name)
      {
          $name = str_replace('-', '_', strtoupper($name));
          if (!in_array($name, ['CONTENT_LENGTH', 'CONTENT_TYPE'])) {
              $name = 'HTTP_' . $name;
          }
  
          return $name;
      }
code: protected function normalizeHeaderName($name)
      {
          $name = str_replace('-', '_', strtoupper($name));
          if (!in_array($name, ['CONTENT_LENGTH', 'CONTENT_TYPE'])) {
              $name = 'HTTP_' . $name;
          }
  
          return $name;
      }
code_tokens: protected function normalizeHeaderName ( $ name ) { $ name = str_replace ( '-' , '_' , strtoupper ( $ name ) ) ; if ( ! in_array ( $ name , [ 'CONTENT_LENGTH' , 'CONTENT_TYPE' ] ) ) { $ name = 'HTTP_' . $ name ; } return $ name ; }
docstring: Normalize a header name into the SERVER version.
  
  @param string $name The header name.
  @return string The normalized header name.
docstring_tokens: Normalize a header name into the SERVER version .