Doctrine\MongoDB\Aggregation\Stage\Group::push PHP Метод

Returns an array of all values that result from applying an expression to each document in a group of documents that share the same group by key.

См. также: http://docs.mongodb.org/manual/reference/operator/aggregation/push/

См. также: Expr::push

public push ( mixed \| Expr $expression ) : Operator
$expression	mixed \| Doctrine\MongoDB\Aggregation\Expr
Результат	Operator

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

Group