Wordpress - strip all HTML comments

functions.php

class ljxdmStripComments
{
	public function __construct() {
		add_action('get_header', array($this, 'start'), 100);
		add_action('wp_footer', array($this, 'end'), 100);
	}

	private static function strip($html) {
		return preg_replace('/<!--(.|\s)*?-->/','',$html);
	}

	public static function start() {
		ob_start(array($this, 'strip'));
	}

	public static function end() {
		ob_end_flush();
	}
}

// PHP 5.4 required
new ljxdmStripComments;