diff --git a/index.php b/index.php
index ff183a17bf13acfa9673cbc193be270e7a109a53..d5bf4b12fdb59b5cab5f3707b8e92d60d56b2c27 100644
--- a/index.php
+++ b/index.php
@@ -37,5 +37,17 @@
         ];
         print_r($func->search($array, 54));
     ?>
+
+
+    <h1>Function 3</h1>
+    <?php
+        $arr = [
+            ['laravel', 'php'],
+            ['codeigniter', 'php'],
+            ['laravel', 'php'],
+            ['c++', 'java'],
+        ];
+        print_r($func->uniqElements($arr));
+    ?>
 </body>
 </html>
\ No newline at end of file
diff --git a/src/Functions.php b/src/Functions.php
index 2c2ad2af35a9d442745830bd8ef129c2646f6bed..38a5f9ba6e32a5143c4169eaba47e7b6b5c35149 100644
--- a/src/Functions.php
+++ b/src/Functions.php
@@ -52,5 +52,25 @@ class Functions
         }
         return null;
     }
+
+    /**
+     * Удалить дубликаты, оставив только уникальные значения
+     * @param array $array
+     * @return array
+     */
+
+    public function uniqElements(array $array): array 
+    {
+        return array_unique($array, SORT_REGULAR);
+    }
+
+    /**
+     * Выходной массив:
+     * Array (
+     *   [0] => Array([0] => laravel, [1] => php)
+     *   [1] => Array([0] => codeigniter, [1] => php)
+     *   [3] => Array([0] => c++, [1] => java))
+     * )
+    */
 }