BP_XProfile_Field_Type_Datebox::validate_settings( array $settings )

	public static function validate_settings( $settings ) {
		foreach ( $settings as $key => &$value ) {
			switch ( $key ) {
				case 'range_type' :
					if ( $value !== 'absolute' ) {
						$value = 'relative';
					}
				break;

				// @todo More date restrictions?
				case 'range_absolute_start' :
				case 'range_absolute_end' :
					$value = absint( $value );
				break;

				case 'range_relative_start' :
				case 'range_relative_end' :
					$value = intval( $value );
				break;
			}
		}

		return $settings;
	}