App\Libraries\BBCodeForDB::parseUrl PHP Method

    public function parseUrl($text)
    {
        $urlPattern = '(?:https?|ftp)://.+?';
        $text = preg_replace_callback("#\\[url\\]({$urlPattern})\\[/url\\]#", function ($m) {
            $url = $this->extraEscapes($m[1]);
            return "[url:{$this->uid}]{$url}[/url:{$this->uid}]";
        }, $text);
        $text = preg_replace_callback("#\\[url=({$urlPattern})\\](.+?)\\[/url\\]#", function ($m) {
            $url = $this->extraEscapes($m[1]);
            return "[url={$url}:{$this->uid}]{$m[2]}[/url:{$this->uid}]";
        }, $text);
        return $text;
    }