Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, null given in C:\webs\htdocs\sites\shipinlaike\check_ip.php:84 Stack trace: #0 C:\webs\htdocs\sites\shipinlaike\check_ip.php(84): in_array('10.1', NULL) #1 C:\webs\htdocs\sites\shipinlaike\index.php(2): include('C:\\webs\\htdocs\\...') #2 {main} thrown in C:\webs\htdocs\sites\shipinlaike\check_ip.php on line 84