public function exec() : void
    {
        $this -> actionLog('Script successfully entered');

        $sentence = $this -> storage['sentenced'];
        $response = NULL;
        if (method_exists($this, $sentence))
            $response = $this -> $sentence();
        else $this -> errorLog('Unknown method '.$sentence);

        if ($response)
            $this -> actionLog('Received data: '.$response);

        $this -> setMemory(memory_get_usage(TRUE));
        $this -> actionLog('Script successfully completed, action: '.$sentence);
    }