Warning: mysqli::__construct(): (HY000/2002): Can't connect to local server through socket '/var/lib/mysql/mysql.sock' (2) in /home/mcalpine/public_html/config/additional.php on line 2

Fatal error: Uncaught Error: mysqli object is already closed in /home/mcalpine/public_html/config/additional.php:3 Stack trace: #0 /home/mcalpine/public_html/config/additional.php(3): mysqli_set_charset() #1 /home/mcalpine/public_html/lib/init.php(23): require_once('/home/mcalpine/...') #2 /home/mcalpine/public_html/webroot/index.php(5): require_once('/home/mcalpine/...') #3 {main} thrown in /home/mcalpine/public_html/config/additional.php on line 3