simple_html_dom::copy_until PHP Method

    protected function copy_until($chars)
    {
        $pos = $this->pos;
        $len = strcspn($this->doc, $chars, $pos);
        $this->pos += $len;
        $this->char = $this->pos < $this->size ? $this->doc[$this->pos] : null;
        // next
        return substr($this->doc, $pos, $len);
    }