UrlQuery.get
get($paramName, $rule='id') -> any
Description
Get the URL param, filtered by the given validation rule.
If the value does not pass validation, it will be returned as an empty string.
$query = url'/page?name=test&num=123'.getQuery()
$query.get('name')
//= 'test'
$query.get('name', 'i')
//= '' (invalid - not an integer)
$query.get('num', 'i')
//= 123