protected function applyAccessMode(int $mode): void
    {
        if ($this->mode === self::MODE_CLOSED) {

            // set new mode
            $this->mode = $mode;
            return;
        } elseif ($mode === $this->mode) {

            // nothing to do
            return;
        }

        // mode-switching detected
        throw new AccessDeniedException('unable to switch access-mode for existing binary file handle', 500);
    }
protected function applyAccessMode(int $mode): void
    {
        if ($this->mode === self::MODE_CLOSED) {

            // set new mode
            $this->mode = $mode;
            return;
        } elseif ($mode === $this->mode) {

            // nothing to do
            return;
        }

        // mode-switching detected
        throw new AccessDeniedException('unable to switch access-mode for existing binary file handle', 500);
    }
protected function applyAccessMode ( int $ mode ) : void { if ( $ this -> mode === self :: MODE_CLOSED ) { // set new mode $ this -> mode = $ mode ; return ; } elseif ( $ mode === $ this -> mode ) { // nothing to do return ; } // mode-switching detected throw new AccessDeniedException ( 'unable to switch access-mode for existing binary file handle' , 500 ) ; }
check current access-mode and set new modes
@param  int $mode
@return void
@throws AccessDeniedException
check current access - mode and set new modes