[Date] known month, week, day of the week. How to get the value of day-could you please advise?

[Date] known month, week, day of the week. How to get the value of day --- please advise, for example, to know the current month, the week, and the day of the week .. What is the number of the current day? ------ Solution ------------------ $ year & nbsp; 2013; $ month & nbsp; 1; $ number of weeks & nbsp [date] known month, week number, the day of the week. How to get the value of day --- please kindly advise
Example
For example, the current month, the week, and the day of the week are known .. What is the number of the current day?

------ Solution --------------------

$ Year = 2013;
$ Month = 1;
$ Weeks = 2;
$ Weeks = 2;

$ T = strtotime ("$ year-$ Month-1 ");
$ Dw = $ weeks-date ('W', $ t );
Echo date ('Y-m-D', strtotime ($ weeks-1). "week $ dw day", $ t ));