how to return an array of objects in zend framework 2?

Question

I am doing a query in zf2 and i get back a object(Zend\Db\ResultSet\HydratingResultSet) that i have to a foreach on, in order to get to the properties.

I would like to get an array of objects by default.

here is some code i have:

factory

'address-mapper'  => function ($serviceManager) {
    $mapper = new Mapper\Address();
    $mapper->setDbAdapter($serviceManager->get('Zend\Db\Adapter\Adapter'));
    $mapper->setEntityPrototype(new Entity\Address);
    $mapper->setHydrator(new \Zend\Stdlib\Hydrator\ClassMethods);

    return $mapper;
}

the query

public function fetchById()
{
    $select = $this->getSelect()->where(array('id' => $Id));
    return $this->select($select);
}

this gives me back:

object(Zend\Db\ResultSet\HydratingResultSet)[459]
      protected 'hydrator' => 
        object(Zend\Stdlib\Hydrator\ClassMethods)[415]
          protected 'underscoreSeparatedKeys' => boolean true
          private 'callableMethodFilter' => 
          ....
          ....

any ideas what i need to do?

Related to stackoverflow.com/questions/16590174/…

Karl Lorey
– Karl Lorey

2013-11-17 15:35:28 +00:00
Commented Nov 17, 2013 at 15:35 — Karl Lorey
– Karl Lorey, Commented Nov 17, 2013 at 15:35

limos · Accepted Answer · 2013-11-03 07:12:07Z

6

As pointed out by Steve, you can iterate the result set like an array. But if you need it as an actual array, ZF2 provides as iteratorToArray function that will convert it to an array for you.

public function fetchById($Id) {
    $select = $this->getSelect()->where(array('id' => $Id));
    $results = $this->select($select);

    return \Zend\Stdlib\ArrayUtils::iteratorToArray($results);
}

edited Nov 3, 2013 at 7:12

answered Oct 9, 2013 at 8:24

limos

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2 Comments

Karl Lorey Over a year ago

This is what I was looking for here: stackoverflow.com/questions/16590174/… If you post your answer there, I will accept it! Thanks a lot!

Karl Lorey Over a year ago

Seems like the second paramater $recursive should be false.

Steve Jordan · Accepted Answer · 2013-09-22 13:09:10Z

4

The Zend\Db\ResultSet\HydratingResultSet has a toArray method. So you can do this to get a multi-dimension array of the results instead of a result set:

public function fetchById()
{
    $select = $this->getSelect()->where(array('id' => $Id));
    $arrayResults = $this->select($select)->toArray()
    return $arrayResults;
}

answered Sep 22, 2013 at 13:09

Steve Jordan

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2 Comments

Patrioticcow Over a year ago

i'm looking to get an array of objects, not an array of arrays, for consistency sake

Steve Jordan Over a year ago

The HydratingResultSet implements the Iterator interface so you can already use foreach to loop over the results as if it were an array. If you really do need an array of objects you will have to manually construct the array using such a foreach.

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