<?php
$d = "Tuesday";
switch($d) {
case "Monday":
$$previousdayofmonthrow = "a";
$$previousdayofmonthcol = "7";
break;
case "Tuesday":
$$previousdayofmonthrow = "b";
$$previousdayofmonthcol = "1";
break;
case "Wednesday":
$$previousdayofmonthrow = "b";
$$previousdayofmonthcol = "2";
break;
case "Thursday":
$$previousdayofmonthrow = "b";
$$previousdayofmonthcol = "3";
break;
case "Friday":
$$previousdayofmonthrow = "b";
$$previousdayofmonthcol = "4";
break;
case "Saturday":
$$previousdayofmonthrow = "b";
$$previousdayofmonthcol = "5";
break;
case "Sunday":
$$previousdayofmonthrow = "b";
$$previousdayofmonthcol = "6";
break;
}
echo $$previousdayofmonthrow;
echo $$previousdayofmonthcol;
?>