Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, string given in /storage/content/13/150013/thermiq.net/public_html/t2_web/graphs_hour.php:247 Stack trace: #0 /storage/content/13/150013/thermiq.net/public_html/t2_web/graphs_hour.php(247): implode(Array, ',') #1 {main} thrown in /storage/content/13/150013/thermiq.net/public_html/t2_web/graphs_hour.php on line 247