src/Charcoal/Source/Order.php
protected function validModes()
    {
        return [
            self::MODE_DESC,
            self::MODE_ASC,
            self::MODE_RANDOM,
            self::MODE_VALUES,
            self::MODE_CUSTOM
        ];
    }
protected function validModes()
    {
        return [
            self::MODE_DESC,
            self::MODE_ASC,
            self::MODE_RANDOM,
            self::MODE_VALUES,
            self::MODE_CUSTOM
        ];
    }
protected function validModes ( ) { return [ self :: MODE_DESC , self :: MODE_ASC , self :: MODE_RANDOM , self :: MODE_VALUES , self :: MODE_CUSTOM ] ; }
Retrieve the supported sorting modes.

@return array
Retrieve the supported sorting modes .