performance optimizations

lib/mvcfronk/mfValuecache/mfValuecache.php

@@ -4,10 +4,7 @@ class mfValuecache {
   public static $instance;
   public $cache = [];
   
-  
-  private function __construct() {
-		
-	}
+  private function __construct() { }
 	
 	public static function singleton() {
 		if(!isset(self::$instance)) {
@@ -17,16 +14,18 @@ class mfValuecache {
 		return self::$instance;
 	}
   
-  public static function get($key) {
-    $instance = self::singleton();
-    if(array_key_exists($key, $instance->cache)) {
-      return $instance->cache[$key];
+  public function get($key) {
+    if(array_key_exists($key, $this->cache)) {
+      return $this->cache[$key];
     }
     return null;
   }
   
-  public static function set($key, $value) {
-    $instance = self::singleton();
-    $instance->cache[$key] = $value;
+  public function set($key, $value) {
+    $this->cache[$key] = $value;
+  }
+  
+  public function getCache() {
+    return $this->cache;
   }
 }