Constant FILTER_SANITIZE_STRING is deprecated

[Bubu]

{
  "reqId": "OQiH8Tg2Z16GNUmoIh9a",
  "level": 3,
  "time": "2022-07-05T08:03:49+00:00",
  "remoteAddr": "89.204.139.201",
  "user": "Bubu",
  "app": "PHP",
  "method": "PUT",
  "url": "/index.php/apps/uppush/app?",
  "message": "Constant FILTER_SANITIZE_STRING is deprecated at /var/lib/nextcloud/apps/uppush/lib/Controller/UnifiedPushProviderController.php#278",
  "userAgent": "Mozilla/5.0 (Android) Nextcloud-android/3.20.3",
  "version": "24.0.2.1",
  "exception": {
    "Exception": "Error",
    "Message": "Constant FILTER_SANITIZE_STRING is deprecated at /var/lib/nextcloud/apps/uppush/lib/Controller/UnifiedPushProviderController.php#278",
    "Code": 0,
    "Trace": [
      {
        "file": "/var/lib/nextcloud/apps/uppush/lib/Controller/UnifiedPushProviderController.php",
        "line": 278,
        "function": "onError",
        "class": "OC\\Log\\ErrorHandler",
        "type": "::"
      },
      {
        "file": "/usr/share/webapps/nextcloud/lib/private/AppFramework/Http/Dispatcher.php",
        "line": 225,
        "function": "createApp",
        "class": "OCA\\UnifiedPushProvider\\Controller\\UnifiedPushProviderController",
        "type": "->"
      },
      {
        "file": "/usr/share/webapps/nextcloud/lib/private/AppFramework/Http/Dispatcher.php",
        "line": 133,
        "function": "executeController",
        "class": "OC\\AppFramework\\Http\\Dispatcher",
        "type": "->"
      },
      {
        "file": "/usr/share/webapps/nextcloud/lib/private/AppFramework/App.php",
        "line": 172,
        "function": "dispatch",
        "class": "OC\\AppFramework\\Http\\Dispatcher",
        "type": "->"
      },
      {
        "file": "/usr/share/webapps/nextcloud/lib/private/Route/Router.php",
        "line": 298,
        "function": "main",
        "class": "OC\\AppFramework\\App",
        "type": "::"
      },
      {
        "file": "/usr/share/webapps/nextcloud/lib/base.php",
        "line": 1023,
        "function": "match",
        "class": "OC\\Route\\Router",
        "type": "->"
      },
      {
        "file": "/usr/share/webapps/nextcloud/index.php",
        "line": 36,
        "function": "handleRequest",
        "class": "OC",
        "type": "::"
      }
    ],
    "File": "/usr/share/webapps/nextcloud/lib/private/Log/ErrorHandler.php",
    "Line": 92,
    "CustomMessage": "--"
  }
}