src/Illuminate/Support/MessageBag.php

@@ -158,6 +158,17 @@ public function all($format = null)
         return $all;
     }
 
+    /**
+     * Get all of the unique messages for every key in the bag.
+     *
+     * @param  string  $format
+     * @return array
+     */
+    public function unique($format = null)
+    {
+        return array_unique($this->all($format));
+    }
+
     /**
      * Format an array of messages.
      *