| aktuelle Aussentemperatur: | Warning: Undefined variable $temperatur in /volume1/web/heizung.php on line 103 Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /volume1/web/heizung.php:103 Stack trace: #0 {main} thrown in /volume1/web/heizung.php on line 103 |