- $projects_assigned_to_client = explode(',', $client['projects']);
- $intersection = array_intersect($projects_assigned_to_client, $projects_assigned_to_user);
- if ($intersection) {
+ $projects_assigned_to_client = explode(',', $client['projects']);
+ if (is_array($projects_assigned_to_client) && is_array($projects_assigned_to_user))
+ $intersection = array_intersect($projects_assigned_to_client, $projects_assigned_to_user);
+ if ($intersection) {