/**
*
*/
public function get_search_sql($search)
{
global $USER;
$state = $search[3];
// State may be searched by name.
$statekey = array_search($state, $this->states);
if ($statekey !== false) {
$search[3] = $statekey;
return parent::get_search_sql($search);
}
// State may be searched by index.
if (is_numeric($state) and $state < count($this->states)) {
return parent::get_search_sql($search);
}
return null;
}
