diff --git a/_incl_data/class/Core/Db.php b/_incl_data/class/Core/Db.php
index 813a20bc..6413b42d 100644
--- a/_incl_data/class/Core/Db.php
+++ b/_incl_data/class/Core/Db.php
@@ -53,11 +53,15 @@ class Db
     /**
      * @param string $query
      * @param array $args
-     * @return false|array
+     * @return array
      */
-    public static function getRows(string $query, array $args = []): false|array
+    public static function getRows(string $query, array $args = []): array
     {
-        return self::run($query, $args)->fetchAll();
+        $stmt = self::run($query, $args)->fetchAll();
+        if (!$stmt) {
+            return [];
+        }
+        return $stmt;
     }
 
     /**
@@ -108,19 +112,23 @@ class Db
     {
         $result = self::getRow($query, $args);
         if (!empty($result)) {
-            $result = array_shift($result);
+            return array_shift($result);
         }
-        return $result;
+        return '';
     }
 
     /**
      * @param string $query
      * @param array $args
-     * @return mixed
+     * @return array
      */
-    public static function getRow(string $query, array $args = []): mixed
+    public static function getRow(string $query, array $args = []): array
     {
-        return self::run($query, $args)->fetch();
+        $stmt = self::run($query, $args)->fetch();
+        if (!$stmt) {
+            return [];
+        }
+        return $stmt;
     }
 
     /**
@@ -130,7 +138,11 @@ class Db
      */
     public static function getColumn(string $query, array $args = []): array
     {
-        return self::run($query, $args)->fetchAll(PDO::FETCH_COLUMN);
+        $stmt = self::run($query, $args)->fetchAll(PDO::FETCH_COLUMN);
+        if (!$stmt) {
+            return [];
+        }
+        return $stmt;
     }
 
     /**