(PHP 4 >= 4.1.0)

cal_days_in_month -- Return the number of days in a month for a given year and calendar


int cal_days_in_month ( int calendar, int month, int year)

This function will return the number of days in the month of year for the specified calendar.

例子 1. cal_days_in_month() example

= cal_days_in_month(CAL_GREGORIAN, 8, 2003); // 31
echo "There was $num days in August 2003";

See also jdtounix().

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