diff($dtT)->format($format); } /** * Bitwise operator for setting days of week to integer field * @param int $datefield initial datefield * @param array $day_enums Array of values from config("enum.days") * @return int */ public static function setDays(int $datefield, array $day_enums) { foreach($day_enums as $day) { $datefield |= $day; } return $datefield; } /** * Bit check if a day exists within a integer bitfield * @param int $datefield datefield from database * @param int $day_enum Value from config("enum.days") * @return bool */ public static function hasDay(int $datefield, int $day_enum) { return ($datefield & $day_enum) === $datefield; } }