Problema ao trazer dados do array

protected ‘_query’ => null
protected ‘_statement’ =>
protected ‘_callback’ =>
protected ‘_typeMap’ =>
array (size=3)

First of all: Please keep your questions in english so everyone has the chance to help you.
Second of all: I have no idea what your question is.

Your output there looks like a ResultSet object.
If you want to access data inside that you need to call the ->toArray() function on that object.