1.0.1

Use \ptrnov\yii2-salesforce\Jadwal;

$ary1=Jadwal::listWeekOfYear(); //current year
print_r($ary1);

$ary2=Jadwal::listWeekOfYear('2016'); //set manual
print_r($ary2);

$tgl=getDateOfWeekAndDayname($year,$week,$day) //get date from ($year,$week,$day)
echo $tgl;