public function getBoundary()
    {
        if (empty($this->_boundary)) {
            $this->_boundary = '--' . md5('PEAR-HTTP_Request2-' . microtime());
        }
        return $this->_boundary;
    }
public function getBoundary()
    {
        if (empty($this->_boundary)) {
            $this->_boundary = '--' . md5('PEAR-HTTP_Request2-' . microtime());
        }
        return $this->_boundary;
    }
public function getBoundary ( ) { if ( empty ( $ this -> _boundary ) ) { $ this -> _boundary = '--' . md5 ( 'PEAR-HTTP_Request2-' . microtime ( ) ) ; } return $ this -> _boundary ; }
Returns the boundary to use in Content-Type header

@return   string
Returns the boundary to use in Content - Type header