Doctrine\MongoDB\Aggregation\Stage\Group::max PHP Méthode

Returns the highest value that results from applying an expression to each document in a group of documents that share the same group by key.

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

See also: Expr::max

public max ( mixed \| Expr $expression ) : Operator
$expression	mixed \| Doctrine\MongoDB\Aggregation\Expr
Résultat	Operator

    public function max($expression)
    {
        $this->expr->max($expression);
        return $this;
    }

Group