I'm trying to run a controller action with ajax in a new plugin I'm making. The action needs to return all categories from a group, so nothing impossible here.

When I run the actionUrl in the browser I get the wanted result: an array with the titles of all categories in a group.

But when I call this action while using ajax it results in an empty array.

Ajax call

        url: Craft.getActionUrl('AddEntriesFilter/Index/GetCategories'),
        context: document.body,
        success: function(response) {

Action in controller

public function actionGetCategories()
    $criteria = craft()->elements->getCriteria(ElementType::Category);
    $criteria->group = 'myCategoryHandle';

    $cats = $criteria->find();

    $regions = array();
    foreach ($cats as $cat)
        $regions[] = $cat->title;


To test this, I tried to Craft::dd($cats); and this is already empty.

I also tried to Craft::dd($criteria->count()); and this also gives different results in the ajax call and in the browser. The ajax call returns 0 and the browser returns the wanted result.

After logging the attributes of $criteria I discovered $criteria->find()is adding a relatedTo attribute. It only does this when running it through Ajax.


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