Merge branch 'hotfix/3027'

Close zendframework/zendframework#3027

src/Renderer/PhpRenderer.php

@@ -93,6 +93,11 @@ class PhpRenderer implements Renderer, TreeRendererInterface
      */
     private $__varsCache = array();
 
+    /**
+     * @var array Cache for the plugin call
+     */
+    private $__pluginCache = array();
+
     /**
      * Constructor.
      *
@@ -350,11 +355,13 @@ public function plugin($name, array $options = null)
      */
     public function __call($method, $argv)
     {
-        $helper = $this->plugin($method);
-        if (is_callable($helper)) {
-            return call_user_func_array($helper, $argv);
+        if (!isset($this->__pluginCache[$method])) {
+            $this->__pluginCache[$method] = $this->plugin($method);
+        }
+        if (is_callable($this->__pluginCache[$method])) {
+            return call_user_func_array($this->__pluginCache[$method], $argv);
         }
-        return $helper;
+        return $this->__pluginCache[$method];
     }
 
     /**