WordPress multiline shortcode with wpautop support

NextendMultiLineShortcode.php

class NextendMultiLineShortcode{
    static $multiline_shortcode_storage = array();
    static $multiline_shortcodes = array();

    public static function init(){
        add_filter('the_content', 'NextendMultiLineShortcode::do_multiline_shortcode', 9); // before wpautop()
        add_shortcode('multiline_shortcode', 'NextendMultiLineShortcode::multiline_shortcode');
    }

    public static function do_multiline_shortcode($content, $ignore_html = false) {

        $pattern = get_shortcode_regex(self::$multiline_shortcodes);

        return preg_replace_callback("/$pattern/", 'NextendMultiLineShortcode::replace_multiline_shortcode', $content);
    }

    public static function replace_multiline_shortcode($m) {
        static $counter = 0;
        $counter++;

        self::$multiline_shortcode_storage[$counter] = $m[0];
        return '[multiline_shortcode id=' . $counter . ']';
    }

    public static function multiline_shortcode($atts) {
        return do_shortcode(self::$multiline_shortcode_storage[$atts['id']]);
    }
}

NextendMultiLineShortcode::$multiline_shortcodes = array(
    'pro',
    'free',
    'note',
    'do',
    'dont'
);
NextendMultiLineShortcode::init();

Example usage:

[pro]
<ul>
    <li>Device specific slider size</li>
    <li>Disable slider on mobile devices</li>
    <li>Disable controls on mobile devices</li>
    <li>Different background image sizes on mobile</li>
    <li>Retina background image support</li>
</ul>
[/pro]