Fix undefined array key

src/api/wishlists.php

@@ -108,6 +108,7 @@ switch ($_SERVER['REQUEST_METHOD']) {
             $wishlist = new Wishlist($_GET['wishlist_id']);
             $options  = array(
                 'style'        => $_GET['style'],
+                'placeholders' => array(),
             );
             $where    = array(
                 'wishlist' => '`wishlist` = ' . $wishlist->id,

src/classes/database.php

@@ -29,7 +29,7 @@ class Database
         public string $password,
     ) {
         $dsn     = 'mysql:host=' . $this->host . ';dbname=' . $this->database . ';port=3306;charset=utf8';
-        $options = array();
+        $options = array('placeholders' => array());
 
         $this->pdo = new \PDO($dsn, $this->user, $this->password, $options);
     }

src/classes/wishlist.php

@@ -57,7 +57,7 @@ class Wishlist
         // $this->wishes = $this->getWishes();
     }
 
-    public function getWishes($options = array()): array
+    public function getWishes(array $options = array('placeholders' => array())): array
     {
         global $database;
 
@@ -115,7 +115,7 @@ class Wishlist
         return $this->wishes;
     }
 
-    public function getCards(array $options = array()): string
+    public function getCards(array $options = array('placeholders' => array())): string
     {
         ob_start();