generate-dist.whois.json.php

<?php
/*
 * A example of how to generate WHMCS-ready dist.whois.json files.
 */

$whoisServers = [];
$tlds = [];
$xml = simplexml_load_file('https://raw.githubusercontent.com/whois-server-list/whois-server-list/master/whois-server-list.xml');

foreach ($xml->domain as $id => $domain) {

  // Make sure we start with a clean slate
  $whois = new stdClass();
  $tlds = [];

  // Get a list of tld's
  $tlds[] = '.' . $domain->attributes()['name']->__toString();

  if (count($domain->domain) >= 1) {
    foreach ($domain->domain as $secondary_domain_id => $secondary_tld) {
      $tlds[] = '.' . $secondary_tld->attributes()['name']->__toString();
    }
  }

  $tlds = implode(',', $tlds);

  // Check if we know a whois server for this domain
  if (isset($domain->whoisServer)) {
    $whoisServer = $domain->whoisServer->attributes()['host']->__toString();
    $availablePattern = $domain->whoisServer->availablePattern->__toString();

    // Leave the matching up to WHMCS so let's remove \Q and \E
    $availablePattern = preg_replace('/\\\[QE]{1}/', '', $availablePattern);

    // Set 
    $whois->extensions = $tlds;
    $whois->uri = "socket://${whoisServer}";
    $whois->available = $availablePattern;

    $whoisServers[] = $whois;
  } 
}

echo json_encode($whoisServers, JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);

?>