Full test suite with 100% coverage.

php7/src/GildedRose.php

@@ -2,15 +2,15 @@
 
 namespace App;
 
-class GildedRose {
+final class GildedRose {
 
     private $items = [];
 
-    function __construct($items) {
+    public function __construct($items) {
         $this->items = $items;
     }
 
-    function updateQuality() {
+    public function updateQuality() {
         foreach ($this->items as $item) {
             if ($item->name != 'Aged Brie' and $item->name != 'Backstage passes to a TAFKAL80ETC concert') {
                 if ($item->quality > 0) {

php7/src/Item.php

@@ -2,7 +2,7 @@
 
 namespace App;
 
-class Item {
+final class Item {
 
     public $name;
     public $sell_in;