/**
* Returns an array containing, for each field, the arary key used for that
* field in self::$_fields.
*
* @return array
*/
static function &fieldKeys()
{
if (!self::$_fieldKeys) {
self::$_fieldKeys = array('id' => 'id', 'contact_type' => 'contact_type', 'threshold' => 'threshold', 'used' => 'used', 'name' => 'name', 'title' => 'title', 'is_reserved' => 'is_reserved');
}
return self::$_fieldKeys;
}
