Doctrine\MongoDB\Query\Builder::mul PHP Method

If the field does not exist, it will be set to 0.

See also: Expr::mul()

See also: http://docs.mongodb.org/manual/reference/operator/mul/

public mul ( float \| integer $value )
$value	float \| integer

    public function mul($value)
    {
        $this->expr->mul($value);
        return $this;
    }