PHP 忒聊 綴豖 ヶ輛 mcal_day_of_week (PHP 3 = 3.0.13, PHP 4) Description mcal_day_of_week() returns the day of the week of the given date. Possible return values range from 0 for Sunday through 6 for Saturday. 綴豖 れ萸 ヶ輛 mcal_date_valid 奻珨撰 mcal_day_of_year