Fix php errors during install

includes/classes/options.php

@@ -20,11 +20,19 @@ class Options
 
     public function getOption(string $key): string
     {
+        $value = '';
+
+        try {
             $option = $this->database->query(
                 'SELECT * FROM `options`
                  WHERE `key` = "' . $key . '";'
             )->fetch();
 
-        return $option['value'] ?? '';
+            $value = $option['value'] ?? '';
+        } catch (\Throwable $th) {
+            //throw $th;
+        }
+
+        return $value;
     }
 }

includes/classes/page.php

@@ -27,6 +27,7 @@ class Page
          */
         $disableRedirect = array(
             'login',
+            'register',
             'install'
         );
         if (!isset($_SESSION['user']) && isset($_GET['page']) && !in_array($_GET['page'], $disableRedirect)) {
@@ -126,9 +127,9 @@ class Page
                     <i class="dropdown icon"></i>
                     <div class="menu">
                         <?php
-                        $user = new User();
+                        $user = isset($_SESSION['user']) ? new User() : null;
 
-                        if ($user->isLoggedIn()) {
+                        if ($user && $user->isLoggedIn()) {
                             ?>
                             <a class="item" href="/?page=logout">
                                 <i class="sign out alternate icon"></i>
@@ -151,7 +152,7 @@ class Page
                     </div>
                 </div>
                 <?php global $options; ?>
-                <?php if ($options->updateAvailable) { ?>
+                <?php if ($options->updateAvailable && $user && $user->isLoggedIn()) { ?>
                     <a class="item" href="/?page=update">
                         <i class="upload icon"></i> Update
                     </a>