Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, bool given in /data/sites/web/heerschapnet/www/weer/ws_luftdaten.php:206
Stack trace:
#0 /data/sites/web/heerschapnet/www/weer/wslufttest.php(2): include()
#1 {main}
thrown in /data/sites/web/heerschapnet/www/weer/ws_luftdaten.php on line 206