Danil Sapegin

location / {
proxy_pass http://10.10.10.10/icingaweb2;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto http;
proxy_redirect default;
proxy_http_version 1.1;
}

SELECT u.*, COUNT(c.has_child) as sum, SUM(c.has_child) as sum2 FROM users as u LEFT JOIN children as c ON (c.user_id = u.id) GROUP BY c.user_id HAVING (sum = 0 OR sum2 = 0)

<link rel="stylesheet" type="text/css" href="Style.css" media="screen" />

//объявляем переменные
$peremennaya1=2; //присвоили числовое значение 
$peremennaya2=2; //присвоили числовое значение 
if (isset($_GET['peremennayapolz'])){
	$peremennayapolz = intval($_GET['peremennayapolz']);

	switch ($peremennayapolz) { 
		case $peremennayapolz < $peremennaya1:
			echo "Задуманное число не входит в числовой ряд";
		break;
		case $peremennaya1 == $peremennayapolz: // все работает
			echo "Переменная пользователя равна переменной 1";
		break;
		case $peremennayapolz > $peremennaya1: // все работает
			echo "Переменная пользователя больше";
		break;
		default: 
			echo "Задай переменную";
		break;
	}
}

if( (isset($_SERVER['HTTP_X_REQUESTED_WITH']) and strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest')){
// обрабатывается ajax запрос
}else{
// выводится страница
}

server {
     listen 80 http2;
     listen [::]:80 http2;
     server_name me.fun www.me.fun; ## Your Domain
     root /var/www/html/mefun;
     location / {
                rewrite ^/(.*)$ https://$host/$1 permanent;
     }
}

server {
        listen                  80;
        server_name             domain.ru;
        
        location / {
                proxy_pass http://111.111.111.111:80;
                proxy_connect_timeout                           60;
                proxy_send_timeout                                      60;
                proxy_read_timeout                                      60;
                proxy_redirect                                          off;
                proxy_buffer_size                                       4k;
                proxy_buffers                                           4 32k;
                proxy_busy_buffers_size                         64k;
                proxy_temp_file_write_size                      10m;
                proxy_set_header        Host                    $host;
                proxy_set_header        X-Real-IP               $remote_addr;
                proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
        }
}

server {
        listen                  443;
        ssl                     on;
        server_name             domain.ru;
        ssl_certificate      /etc/nginx/ssl/domain.ru.crt;
        ssl_certificate_key  /etc/nginx/ssl/domain.ru.key;
        ssl_protocols SSLv3 TLSv1 TLSv1.1 TLSv1.2;
        ssl_ciphers  "RC4:HIGH:!aNULL:!MD5:!kEDH";

        location / {
                proxy_pass https://111.111.111:443;
                proxy_connect_timeout                           60;
                proxy_send_timeout                                      60;
                proxy_read_timeout                                      60;
                proxy_redirect                                          off;
                proxy_buffer_size                                       4k;
                proxy_buffers                                           4 32k;
                proxy_busy_buffers_size                         64k;
                proxy_temp_file_write_size                      10m;
                proxy_set_header        Host                    $host;
                proxy_set_header        X-Real-IP               $remote_addr;
                proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
        }

}