Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, string given in /home2/chelectanz/public_html/itinerary/index.php:119 Stack trace: #0 /home2/chelectanz/public_html/itinerary/index.php(119): implode(Array, ',') #1 {main} thrown in /home2/chelectanz/public_html/itinerary/index.php on line 119