Add price-changing coin badge

sections/store/badge.php

-<?php
+<?
 $UserID = $LoggedUser['ID'];
 $BadgeID = $_GET['badge'];
 
-$ShopBadgeIDs = array(100, 101, 102, 103, 104, 105, 106, 107);
-$Prices = array(100 => 5000, 101 => 10000, 102 => 25000, 103 => 50000, 104 => 100000, 105 => 250000, 106 => 500000, 107 => 1000000);
+$ShopBadgeIDs = [100, 101, 102, 103, 104, 105, 106, 107];
+$Prices = [100 => 5000, 101 => 10000, 102 => 25000, 103 => 50000, 104 => 100000, 105 => 250000, 106 => 500000, 107 => 1000000];
 
 if (!$BadgeID) {
   $Err = 'No badge specified.';
 } elseif (!in_array($BadgeID, $ShopBadgeIDs)) {
   $Err = 'Invalid badge ID.';
-} elseif (Badges::has_badge($UserID, array('BadgeID' => $BadgeID))) {
+} elseif (Badges::has_badge($UserID, ['BadgeID' => $BadgeID])) {
   $Err = 'You already have this badge.';
-} elseif ($BadgeID != $ShopBadgeIDs[0] && !Badges::has_badge($UserID, array('BadgeID' => $ShopBadgeIDs[array_search($BadgeID, $ShopBadgeIDs)-1]))) {
+} elseif ($BadgeID != $ShopBadgeIDs[0] && !Badges::has_badge($UserID, ['BadgeID' => $ShopBadgeIDs[array_search($BadgeID, $ShopBadgeIDs)-1]])) {
   $Err = 'You haven\'t purchased the badges before this one!';
 } else {
   $DB->query("
     WHERE ID = $UserID");
   if ($DB->has_results()) {
     list($BP) =  $DB->next_record();
-    $BP = (int) $BP;
+    $BP = (int)$BP;
 
     if ($BP >= $Prices[$BadgeID]) {
       if (!Badges::award_badge($UserID, $BadgeID)) {

sections/store/index.php

       case 'badge':
         include(SERVER_ROOT.'/sections/store/badge.php');
         break;
+      case 'coinbadge':
+        include(SERVER_ROOT.'/sections/store/coinbadge.php');
+        break;
       case 'capture_user':
         include(SERVER_ROOT.'/sections/store/capture_user.php');
         break;

sections/store/store.php

 <?
   }
 }
+
+$DB->query("
+  SELECT ID AS BadgeID, Name, Description
+  FROM badges
+  WHERE Name='Oppaicoin'");
+if ($DB->has_results()) {
+  $CoinBadge = $DB->to_array()[0];
+  $BadgeText = $CoinBadge['Name'];
+  if (!Badges::has_badge($LoggedUser['ID'], $CoinBadge)) {
+    $BadgeText = '<a href="store.php?item=coinbadge">'.$BadgeText.'</a>';
+  }
 ?>
+      <tr class="row">
+      <td class="nobr"><?=Badges::display_badge($CoinBadge)?><span class="badge_name" style="margin-left: 10px;"><?=$BadgeText?></span></td>
+        <td class="nobr"><?=$CoinBadge['Description']?></td>
+      </tr>
+<? } ?>
     </table>
   </div>
 </div>