From 41df45847250f5484fa9f81deddadc23fd7aeb87 Mon Sep 17 00:00:00 2001
From: Vasily Mikhaylovsky <ti.webdev@gmail.com>
Date: Mon, 13 May 2013 09:11:33 +0600
Subject: [PATCH] move Singleton::$_instance into Singleton::getInstance()
 method

---
 Singleton/Singleton.php | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/Singleton/Singleton.php b/Singleton/Singleton.php
index d7e9bdc..ee896e4 100644
--- a/Singleton/Singleton.php
+++ b/Singleton/Singleton.php
@@ -16,11 +16,6 @@ namespace DesignPatterns;
  */
 class Singleton
 {
-    /**
-     * @var \DesignPatterns\Singleton
-     */
-    private static $_instance;
-
     /**
      * gets the instance via lazy initialization (created on first usage)
      *
@@ -28,11 +23,13 @@ class Singleton
      */
     public static function getInstance()
     {
-        if (null === self::$_instance) {
-            self::$_instance = new self();
+        static $instance;
+
+        if (null === $instance) {
+            $instance = new self();
         }
 
-        return self::$_instance;
+        return $instance;
     }
 
     /**