original_string: protected function sendString($string)
      {
          if ($this->pop_conn) {
              if ($this->do_debug >= 2) { //Show client messages when debug >= 2
                  echo 'Client -> Server: ', $string;
              }
  
              return fwrite($this->pop_conn, $string, strlen($string));
          }
  
          return 0;
      }
code: protected function sendString($string)
      {
          if ($this->pop_conn) {
              if ($this->do_debug >= 2) { //Show client messages when debug >= 2
                  echo 'Client -> Server: ', $string;
              }
  
              return fwrite($this->pop_conn, $string, strlen($string));
          }
  
          return 0;
      }
code_tokens: protected function sendString ( $ string ) { if ( $ this -> pop_conn ) { if ( $ this -> do_debug >= 2 ) { //Show client messages when debug >= 2 echo 'Client -> Server: ' , $ string ; } return fwrite ( $ this -> pop_conn , $ string , strlen ( $ string ) ) ; } return 0 ; }
docstring: Send raw data to the POP3 server.
  
  @param string $string
  
  @return int
docstring_tokens: Send raw data to the POP3 server .