/**
* Gets all the User Group names of the groups this user belongs to.
*
* @access public
* @return array An array of User Group names.
*/
public function getUserGroupNames()
{
$groupNames = array();
$id = $this->get('id') ? (string) $this->get('id') : '0';
if (isset($_SESSION["modx.user.{$id}.userGroupNames"]) && $this->xpdo->user->get('id') == $this->get('id')) {
$groupNames = $_SESSION["modx.user.{$id}.userGroupNames"];
} else {
$memberGroups = $this->xpdo->getCollectionGraph('modUserGroup', '{"UserGroupMembers":{}}', array('UserGroupMembers.member' => $this->get('id')));
if ($memberGroups) {
/** @var modUserGroup $group */
foreach ($memberGroups as $group) {
$groupNames[] = $group->get('name');
}
}
$_SESSION["modx.user.{$id}.userGroupNames"] = $groupNames;
}
return $groupNames;
}
