original_string: protected function sendHeaders()
      {
          if (headers_sent()) return false;
  
          header(sprintf(
              'HTTP/%s %s %s',
              $this->getProtocolVersion(),
              $this->getStatusCode(),
              $this->getReasonPhrase()
          ));
  
          foreach ($this->getHeaderKeys() as $name)
          {
              header(sprintf('%s: %s', $name, $this->getHeaderLine($name)), true);
          }
  
          return true;
      }
code: protected function sendHeaders()
      {
          if (headers_sent()) return false;
  
          header(sprintf(
              'HTTP/%s %s %s',
              $this->getProtocolVersion(),
              $this->getStatusCode(),
              $this->getReasonPhrase()
          ));
  
          foreach ($this->getHeaderKeys() as $name)
          {
              header(sprintf('%s: %s', $name, $this->getHeaderLine($name)), true);
          }
  
          return true;
      }
code_tokens: protected function sendHeaders ( ) { if ( headers_sent ( ) ) return false ; header ( sprintf ( 'HTTP/%s %s %s' , $ this -> getProtocolVersion ( ) , $ this -> getStatusCode ( ) , $ this -> getReasonPhrase ( ) ) ) ; foreach ( $ this -> getHeaderKeys ( ) as $ name ) { header ( sprintf ( '%s: %s' , $ name , $ this -> getHeaderLine ( $ name ) ) , true ) ; } return true ; }
docstring: Process all headers. Return true if headers are send, and false if are sent
  
  @return boolean
docstring_tokens: Process all headers . Return true if headers are send and false if are sent