simple_html_dom::prepare PHP Method

    protected function prepare($str, $lowercase = true, $stripRN = true, $defaultBRText = DEFAULT_BR_TEXT)
    {
        $this->clear();
        // set the length of content before we do anything to it.
        $this->size = strlen($str);
        //before we save the string as the doc...  strip out the \r \n's if we are told to.
        if ($stripRN) {
            $str = str_replace("\r", " ", $str);
            $str = str_replace("\n", " ", $str);
        }
        $this->doc = $str;
        $this->pos = 0;
        $this->cursor = 1;
        $this->noise = array();
        $this->nodes = array();
        $this->lowercase = $lowercase;
        $this->default_br_text = $defaultBRText;
        $this->root = new simple_html_dom_node($this);
        $this->root->tag = 'root';
        $this->root->_[HDOM_INFO_BEGIN] = -1;
        $this->root->nodetype = HDOM_TYPE_ROOT;
        $this->parent = $this->root;
        if ($this->size > 0) {
            $this->char = $this->doc[0];
        }
    }