make class greater

classes/ShopItem.php

@@ -22,10 +22,11 @@ class ShopItem extends Item
      */
     public function printControls()
     {
-        $btnPrice = 'Купить за ' . intval($this->cost) . ' кр.';
+        $btnPrice = "Купить за {intval($this->cost)} кр.";
+        $btnLink = "/shop.php?buy={$this->id}&rnd=".mt_rand();
         echo <<<BTN
 <p><input type="button" style="background: darkgrey; border: 1px solid grey; border-radius: 2px;" value="{$btnPrice}"
-                                   onclick="location='/admin.php'">
+                                   onclick="location='{$btnLink}'">
 BTN;
         if ($this->count > 0) echo "<br><small>(Осталось: {$this->count} штук)</small>";
     }