Zend Framework objects vs arrays

Hi

I am working on a project that is written in Zend Framework. In that, the entire objects being given to views. For example

$Object = new ClassName();

$this->view->data = $Object;

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then within the view, it pull the necessary info from the object.

My question is, is this is a good practice in general ? I think passing only necessary info using array or individual variables to views is more efficient than completely duplicating the object in the memory. But, I might be wrong, because processing to get the info what we need only within the view might be expensive. I just want to know what is the best practice for this.

Any suggestions and reading materials (links) will be greatly appreciate it.

Thanks
Peiris