Fix MacMahon output and rename

go-form-plugin/export/macmahon-help.php

@@ -1,5 +1,5 @@
 <?php
-$mcmahonfirst = '<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+$macmahonfirst = '<?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <Tournament typeversion="9">
   <NumberOfRounds>5</NumberOfRounds>
   <CurrentRoundNumber>1</CurrentRoundNumber>
@@ -114,7 +114,7 @@ $mcmahonfirst = '<?xml version="1.0" encoding="UTF-8" standalone="no"?>
     </SortCriterionDescriptor>
   </Walllist>';
 
-$mcmahonlast = '<TournamentRound typeversion="2">
+$macmahonlast = '<TournamentRound typeversion="2">
     <RoundNumber>1</RoundNumber>
     <LastUpdated>2026-05-13 21:30:31</LastUpdated>
   </TournamentRound>

go-form-plugin/export/macmahon.php

@@ -1,6 +1,6 @@
 <?php
 
-go_form_admin_action('export_mcmahon');
+go_form_admin_action('export_macmahon');
 if (!isset($_POST['value_one'])) {
   wp_redirect(admin_url('admin.php?page=go-form-settings'));
   exit;
@@ -15,9 +15,43 @@ header('Content-Type: text/xml; charset=utf-8');
 header('Content-Disposition: attachment; filename="go-form-' . sanitize_title($form_name) . '-export-macmahon.xml"');
 
 $output = fopen('php://output', 'w');
-include_once 'mcmahon-help.php';
+include_once 'macmahon-help.php';
 
-fwrite($output, $mcmahonfirst);
+fwrite($output, $macmahonfirst);
+
+// Gather the distinct clubs used per country among the actual participants
+$clubs_by_country = [];
+foreach ($entries as $e) {
+  $country_code = strtoupper(trim($e->country));
+  $club = trim($e->club);
+  if ($country_code === '' || $club === '') {
+    continue;
+  }
+  if (!isset($clubs_by_country[$country_code])) {
+    $clubs_by_country[$country_code] = [];
+  }
+  if (!in_array($club, $clubs_by_country[$country_code], true)) {
+    $clubs_by_country[$country_code][] = $club;
+  }
+}
+
+foreach ($countries as $code => $name) {
+  $out = '  <Country typeversion="1">
+    <InternetCode>' . esc_html(strtolower($code)) . '</InternetCode>
+    <Name>' . esc_html($name) . '</Name>';
+  if (!empty($clubs_by_country[$code])) {
+    foreach ($clubs_by_country[$code] as $club) {
+      $out .= '
+    <Club typeversion="1">
+      <Name>' . esc_html($club) . '</Name>
+      <EGDName>' . esc_html($club) . '</EGDName>
+    </Club>';
+    }
+  }
+  $out .= '
+  </Country>';
+  fwrite($output, $out);
+}
 
 foreach ($entries as $i => $e) {
   $rank = $ranks[$e->rank];
@@ -44,6 +78,6 @@ foreach ($entries as $i => $e) {
   fwrite($output, $out);
 }
 
-fwrite($output, $mcmahonlast);
+fwrite($output, $macmahonlast);
 
 fclose($output);