Date function solution

The date function is implemented in php & nbsp; a function that enables it to return from which day to which day the week belongs based on the input date string (for example, 2012-03-02? Pay attention to the situation of cross-month, leap year, and leap month ., Print_r (between ('2017-03-02 '); function & nbsp; betwe date function
Implement a function in php so that it can return from which day to which day the week belongs based on the input date string (for example? Pay attention to the situation of cross-month, leap year, and leap month.
------ Solution --------------------

Print_r (between ('2017-03-02 '));

Function between ($ s ){
$ T = is_numeric ($ s )? $ S: strtotime ($ s );
$ W = date ('W', $ t );
Return array (
Date ('Y-m-D', strtotime ("-$ w day", $ t )),
Date ('Y-m-D', strtotime (6-$ w). 'day', $ t ))
);
}

Array
(
[0] => 2012-02-26
[1] => 2012-03-03
)