'integer', 'update_time' => 'integer', 'affiliate_effective_start_at' => 'integer', 'affiliate_effective_end_at' => 'integer', 'settle_weekday' => 'integer', 'settle_monthday' => 'integer', ]; public function getprofitAmountAttr($value): ?float { return is_null($value) ? null : (float)$value; } }