Doctrine\MongoDB\Aggregation\Stage\Operator::ln PHP Method

The expression can be any valid expression as long as it resolves to a non-negative number.

See also: https://docs.mongodb.org/manual/reference/operator/aggregation/log/

See also: Expr::ln

Since: 1.3

public ln ( mixed \| Expr $number )
$number	mixed \| Doctrine\MongoDB\Aggregation\Expr

    public function ln($number)
    {
        $this->expr->ln($number);
        return $this;
    }

Operator