scheduled_at ?? $this['scheduled_at'] ?? null; $expiresAt = $this->expires_at ?? $this['expires_at'] ?? null; return [ 'notification_id' => (int) ($this->notification_id ?? $this['notification_id'] ?? 0), 'title' => $this->title ?? $this['title'] ?? null, 'message' => $this->message ?? $this['message'] ?? null, 'priority' => $this->priority ?? $this['priority'] ?? null, 'scheduled_at' => $scheduledAt ? date('Y-m-d H:i:s', strtotime((string) $scheduledAt)) : null, 'expires_at' => $expiresAt ? date('Y-m-d H:i:s', strtotime((string) $expiresAt)) : null, 'target_group' => $this->target_group ?? $this['target_group'] ?? null, 'is_read' => (bool) ($this->is_read ?? $this['is_read'] ?? false), ]; } }