/**
* Returns a URL Safe Title Slug, limited to the specified characters
*
* @param string title
* @param int limit (default 25)
* @return string url safe slug
*/
public static function title_slug($title, $limit = 25)
{
return preg_replace("/([_+]|_)\$/", "", str::limit_chars(inflector::underscore(str::strip_all_but(strtolower($title), "a-z0-9 \\_")), $limit, ""));
}