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/*** PHP 7 ***/
class Number {
  /** @var int|float */
  private $number;

  /**
   * @param float|int $number
   */
  public function __construct($number) {
    $this->number = $number;

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/*** PHP 7 ***/
strlen([]); // Warning: strlen() expects parameter 1 to be string, array given

array_chunk([], -1); // Warning: array_chunk(): Size parameter expected to be greater than 0

/*** PHP 8 ***/
strlen([]); // TypeError: strlen(): Argument #1 ($str) must be of type string, array given

array_chunk([], -1); // ValueError: array_chunk(): Argument #2 ($length) must be greater than 0

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/*** PHP 7 ***/
switch (8.0) {
  case '8.0':
    $result = "Oh no!";
    break;
  case 8.0:
    $result = "This is what I expected";
    break;
}
echo $result;

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/*** PHP 7 ***/
$country =  null;

if ($session !== null) {
  $user = $session->user;

  if ($user !== null) {
    $address = $user->getAddress();
 
    if ($address !== null) {

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SED=`which sed`
CURRENT_DIR=`dirname $0`

echo "What is the domain?"
read DOMAIN

# check the domain is valid!
PATTERN="^(([a-zA-Z]|[a-zA-Z][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z]|[A-Za-z][A-Za-z0-9\-]*[A-Za-z0-9])$";
if [[ "$DOMAIN" =~ $PATTERN ]]; then
	DOMAIN=`echo $DOMAIN | tr '[A-Z]' '[a-z]'`

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{
  "url": "https://api.github.com/gists/408324817b197e9e6c3bc239e59fa880",
  "forks_url": "https://api.github.com/gists/408324817b197e9e6c3bc239e59fa880/forks",
  "commits_url": "https://api.github.com/gists/408324817b197e9e6c3bc239e59fa880/commits",
  "id": "408324817b197e9e6c3bc239e59fa880",
  "node_id": "MDQ6R2lzdDQwODMyNDgxN2IxOTdlOWU2YzNiYzIzOWU1OWZhODgw",
  "git_pull_url": "https://gist.github.com/408324817b197e9e6c3bc239e59fa880.git",
  "git_push_url": "https://gist.github.com/408324817b197e9e6c3bc239e59fa880.git",
  "html_url": "https://gist.github.com/408324817b197e9e6c3bc239e59fa880",
  "files": {

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server {
    listen [::]:443 ssl ipv6only=on; 
    listen 443 ssl; 
    server_name builder-docker.viovi.site;

    location / {
        proxy_pass http://0.0.0.0:8180;
    }

    ssl_certificate /etc/letsencrypt/live/builder-docker.viovi.site/fullchain.pem; 

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Install Nginx

sudo apt-get update
sudo apt-get install nginx

Adjust the Firewall

sudo ufw app list // Show list the applications configurations
sudo ufw allow 'Nginx Full' // opens both port 80 (normal, unencrypted web traffic) and port 443 (TLS/SSL encrypted traffic)
sudo ufw status // Verify the change

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Install Nginx

sudo yum install epel-release
sudo yum install nginx
sudo systemctl start nginx
sudo systemctl enable nginx

Install PHP (Multi version 7.1/7.2/ 7.3/ 7.4 )

Must be install epel-release

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server {
    listen 80;
    server_name hoge.hoge.com; # or server_name subdomain.yourapp.com;

    location / {
        proxy_pass http://localhost:1337; # port > 1024
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_set_header X-NginX-Proxy true;