Create Based on CertDomains and GoogleDNS the Cert, when ur moving an project

letsencrypt-auto-create-domain-tls.php

<?php

$hostip = '999.999.999.999';
$certName = 'mostly.server.hostname.tld';
$domainsList = array(
  'domain1.tld',
  'domain2.tld',
);

$certdns = trim(shell_exec('openssl x509 -noout -text -in /etc/letsencrypt/live/'.$certName.'/cert.pem | grep DNS:'));
$certdns = str_replace('DNS:', '', $certdns);
$certdns = array_map('trim', array_filter((array)explode(',', $certdns)));

$domains = [$certName];
foreach ($domainsList as $domain)
{
  $domains[] = $domain;
  $domains[] = 'www.'.$domain;
}

$new = false;

foreach ($domains as $domain)
{
  if (in_array($domain, $certdns))
  {
    continue;
  }
  // tail -1 may should be changed to an other value
  //    just a hack to get the cname ip!
  $ip = trim(shell_exec('dig +short A '.$domain.' @8.8.8.8 | tail -1'));
  if ($ip == $hostip) {
    $certdns[] = $domain;
    $new = true;
  }

}

if ($new)
{
  echo shell_exec('/etc/init.d/nginx stop');
  echo "\n";
  $certdns = array_unique($certdns);
  $comandList = ' -d '.implode(' -d ', $certdns);
  echo shell_exec('letsencrypt certonly --standalone --noninteractive --expand --cert-name '.$certName.' '.$comandList);
  echo "\n";
  echo shell_exec('/etc/init.d/nginx restart');
  echo "\n";
} else {
  echo "nothing todo\n";
}