protected function calculatetotal()
    {
        $total = $this->UnitPrice() * $this->Quantity;
        $this->extend('updateTotal', $total);
        $this->CalculatedTotal = $total;
        return $total;
    }
protected function calculatetotal()
    {
        $total = $this->UnitPrice() * $this->Quantity;
        $this->extend('updateTotal', $total);
        $this->CalculatedTotal = $total;
        return $total;
    }
protected function calculatetotal ( ) { $ total = $ this -> UnitPrice ( ) * $ this -> Quantity ; $ this -> extend ( 'updateTotal' , $ total ) ; $ this -> CalculatedTotal = $ total ; return $ total ; }
Calculates the total for this item.
Generally called by onBeforeWrite
Calculates the total for this item . Generally called by onBeforeWrite