PHP Manual
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# mcal_day_of_week

(PHP 3 >= 3.0.13, PHP 4, PECL)

mcal_day_of_week -- Returns the day of the week of the given date

## Description

int mcal_day_of_week ( int year, int month, int day )

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.

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mcal_date_valid | 上一级 | mcal_day_of_year