CCM::getClusters PHP Method

    private function getClusters()
    {
        $active = '';
        $clusters = array();
        foreach (explode(PHP_EOL, $this->run('list')) as $cluster) {
            $clusterName = trim(substr($cluster, 2, strlen($cluster) - 2));
            // Determine if this cluster is the active cluster
            if ($this->isActive($cluster)) {
                $active = $clusterName;
            }
            // Add the cluster to the list
            if (!empty($clusterName)) {
                $clusters[] = $clusterName;
            }
        }
        return array('active' => $active, 'list' => $clusters);
    }