Controller/FiltersController.php
public function categories($categoryIds, $deploymentSiteIds = null, $ignoreGrouping = false, CachePolicy $cachePolicy = null)
    {
        $parameters = [
            'query' => ['deploymentSiteIds' => $deploymentSiteIds, 'ignoreGrouping' => $ignoreGrouping],
            'body' => json_encode([], JSON_UNESCAPED_UNICODE),
            'headers' => [],
        ];

        $result = $this->get('v1/filters/categories/' . $categoryIds . '', $parameters, $cachePolicy);
        foreach ($result as &$entry) {
            $entry = new FilterItem($entry);
        }
        unset($entry);
        reset($result);

        return $result;
    }
public function categories($categoryIds, $deploymentSiteIds = null, $ignoreGrouping = false, CachePolicy $cachePolicy = null)
    {
        $parameters = [
            'query' => ['deploymentSiteIds' => $deploymentSiteIds, 'ignoreGrouping' => $ignoreGrouping],
            'body' => json_encode([], JSON_UNESCAPED_UNICODE),
            'headers' => [],
        ];

        $result = $this->get('v1/filters/categories/' . $categoryIds . '', $parameters, $cachePolicy);
        foreach ($result as &$entry) {
            $entry = new FilterItem($entry);
        }
        unset($entry);
        reset($result);

        return $result;
    }
Returns a array of FilterItem for the chosen categories.

, optionally filtered by specific DeploymentSites.

@param string      $categoryIds       comma separated string categoryIds we should fetch mediaIds for
@param string      $deploymentSiteIds comma separated string of deploymentSiteIds we should fetch mediaIds for
@param bool        $ignoreGrouping    whether to include grouped media or not
@param CachePolicy $cachePolicy       a custom cache policy used for this request only

@return FilterItem[]