Fatal error: Uncaught TypeError: array_multisort(): Argument #1 ($array) must be an array or a sort flag in D:\inetpub\webs\cyberetnacom\gruppoaris\eventi.php:74 Stack trace: #0 D:\inetpub\webs\cyberetnacom\gruppoaris\eventi.php(74): array_multisort() #1 {main} thrown in D:\inetpub\webs\cyberetnacom\gruppoaris\eventi.php on line 74