private function generateKeys()
    {
        $content = [];
        for ($i = 0; $i < count($this->keys); $i++) {
            $holder = [];
            $value = !$this->option($this->keys[$i]) || $this->option($this->keys[$i]) === 'generate' ? str_random(64) : $this->option($this->keys[$i]);
            $holder['regex'] = str_replace_first($this->findRegExPlaceholder, $this->keys[$i], $this->findRegEx);
            $holder['value'] = $this->keys[$i] . '="' . $value . '"';
            array_push($content, $holder);
        }

        return $content;
    }