Habari\Utils::replace_shortcodes PHP Method

    public static function replace_shortcodes($content, $obj_context)
    {
        $regex = '%\\[(\\w+?)(?:\\s+([^\\]]+?))?/\\]|\\[(\\w+?)(?:\\s+(.+?))?(?<!/)](?:(.*?)\\[/\\3])%si';
        if (preg_match_all($regex, $content, $match_set, PREG_SET_ORDER)) {
            foreach ($match_set as $matches) {
                $matches = array_pad($matches, 6, '');
                $code = $matches[1] . $matches[3];
                $attrs = $matches[2] . $matches[4];
                $code_contents = $matches[5];
                if (preg_match($regex, $code_contents)) {
                    $code_contents = self::replace_shortcodes($code_contents, $obj_context);
                }
                preg_match_all('#(\\w+)\\s*=\\s*(?:(["\'])?(.*?)\\2|(\\S+))#i', $attrs, $attr_match, PREG_SET_ORDER);
                $attrs = array();
                foreach ($attr_match as $attr) {
                    $attr = array_pad($attr, 5, '');
                    $attrs[$attr[1]] = $attr[3] . $attr[4];
                }
                $replacement = Plugins::filter('shortcode_' . $code, $matches[0], $code, $attrs, $code_contents, $obj_context);
                $content = str_replace($matches[0], $replacement, $content);
            }
        }
        return $content;
    }