src/ClearSaleID/Entity/Request/Item.php
public function setQuantity( $quantity )
    {
        if (!is_int( $quantity )) {
            throw new InvalidArgumentException( sprintf( 'Invalid quantity', $quantity ) );
        }

        $this->quantity = $quantity;

        return $this;
    }
public function setQuantity( $quantity )
    {
        if (!is_int( $quantity )) {
            throw new InvalidArgumentException( sprintf( 'Invalid quantity', $quantity ) );
        }

        $this->quantity = $quantity;

        return $this;
    }
public function setQuantity ( $ quantity ) { if ( ! is_int ( $ quantity ) ) { throw new InvalidArgumentException ( sprintf ( 'Invalid quantity' , $ quantity ) ) ; } $ this -> quantity = $ quantity ; return $ this ; }
@param  string $quantity

@return $this
@param string $quantity