Model/IPNRequestPaymentSetter.php
protected function getAmount()
    {
        $request = $this->getRequest();
        return !is_null($request->getRequestParameter(self::MC_GROSS)) ? abs($request->getRequestParameter(self::MC_GROSS)) : null;
    }
protected function getAmount()
    {
        $request = $this->getRequest();
        return !is_null($request->getRequestParameter(self::MC_GROSS)) ? abs($request->getRequestParameter(self::MC_GROSS)) : null;
    }
protected function getAmount ( ) { $ request = $ this -> getRequest ( ) ; return ! is_null ( $ request -> getRequestParameter ( self :: MC_GROSS ) ) ? abs ( $ request -> getRequestParameter ( self :: MC_GROSS ) ) : null ; }
Get amount from request.

@return number
Get amount from request .