// We display the last activity (post or login), reduced to year and week number
$last_active = strtotime($owner['last-item']);
- if ($last_active < strtotime($owner['last-activity'])) {
+ if ($owner['last-activity'] && $last_active < strtotime($owner['last-activity'])) {
$last_active = strtotime($owner['last-activity']);
}
$json_info['last-activity'] = date('o-W', $last_active);