original_string: protected function _getContentTypeCharset()
      {
          $charset = strtoupper($this->charset);
          if (array_key_exists($charset, $this->_contentTypeCharset)) {
              return strtoupper($this->_contentTypeCharset[$charset]);
          }
  
          return strtoupper($this->charset);
      }
code: protected function _getContentTypeCharset()
      {
          $charset = strtoupper($this->charset);
          if (array_key_exists($charset, $this->_contentTypeCharset)) {
              return strtoupper($this->_contentTypeCharset[$charset]);
          }
  
          return strtoupper($this->charset);
      }
code_tokens: protected function _getContentTypeCharset ( ) { $ charset = strtoupper ( $ this -> charset ) ; if ( array_key_exists ( $ charset , $ this -> _contentTypeCharset ) ) { return strtoupper ( $ this -> _contentTypeCharset [ $ charset ] ) ; } return strtoupper ( $ this -> charset ) ; }
docstring: Return charset value for Content-Type.
  
  Checks fallback/compatibility types which include workarounds
  for legacy japanese character sets.
  
  @return string
docstring_tokens: Return charset value for Content - Type .