Warning: mysqli::__construct(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /var/www/html/selconxma.php on line 8

Warning: mysqli::__construct(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: Name or service not known in /var/www/html/selconxma.php on line 8
Errno: 2002 Error: php_network_getaddresses: getaddrinfo failed: Name or service not known
Warning: mysqli::query(): Couldn't fetch mysqli in /var/www/html/sessiondevise.php on line 79

Warning: main(): Couldn't fetch mysqli in /var/www/html/sessiondevise.php on line 80

Warning: main(): Couldn't fetch mysqli in /var/www/html/sessiondevise.php on line 80
Err: :
Fatal error: Uncaught Error: Call to a member function fetch_assoc() on bool in /var/www/html/sessiondevise.php:82 Stack trace: #0 /var/www/html/index.php(46): include() #1 {main} thrown in /var/www/html/sessiondevise.php on line 82