Fatal error: Uncaught ArgumentCountError: mysqli_close() expects exactly 1 argument, 0 given in /customers/8/0/a/estherrutzou.dk/httpd.www/logout.php:15
Stack trace:
#0 /customers/8/0/a/estherrutzou.dk/httpd.www/logout.php(15): mysqli_close()
#1 {main}
  thrown in /customers/8/0/a/estherrutzou.dk/httpd.www/logout.php on line 15