* a string as numerical indexes are not wanted in POST data (in this
* project).
*/
- assert(is_string($element) && ((is_null($subElement)) || (is_string($subElement))));
+ assert(is_string($element) && ((is_null($subElement)) || (is_string($subElement)) || (is_int($subElement))));
// Is a sub element set?
if (is_null($subElement)) {