public function diffInWeekdays(Carbon $dt = null, $abs = true)
     {
         return $this->diffInDaysFiltered(function (Carbon $date) {
                return $date->isWeekday();
          }, $dt, $abs);
     }
public function diffInWeekdays(Carbon $dt = null, $abs = true)
     {
         return $this->diffInDaysFiltered(function (Carbon $date) {
                return $date->isWeekday();
          }, $dt, $abs);
     }
public function diffInWeekdays ( Carbon $ dt = null , $ abs = true ) { return $ this -> diffInDaysFiltered ( function ( Carbon $ date ) { return $ date -> isWeekday ( ) ; } , $ dt , $ abs ) ; }
Get the difference in weekdays

@param Carbon  $dt
@param boolean $abs Get the absolute of the difference

@return int
Get the difference in weekdays