/**
	 * get_all_redirects()
	 * Follows and collects all redirects, in order, for the given URL.
	 *
	 * @param string $url
	 * @return array
	 */
	function get_all_redirects($url){
		$redirects = array();
		while ($newurl = hwd_vs_tools::get_redirect_url($url)){
			if (in_array($newurl, $redirects)){
				break;
			}
			$redirects[] = $newurl;
			$url = $newurl;
		}
		return $redirects;
	}