Init ci

php/core/classes/patterns/Singleton.class.php

@@ -0,0 +1,20 @@
+<?php
+
+abstract class Singleton {
+
+    protected function __construct() {}
+
+    final public static function getInstance() {
+        static $_instances = array();
+
+        $class_name = get_called_class();
+
+        if (! isset($_instances[$class_name])) {
+            $_instances[$class_name] = new $class_name();
+        }
+
+        return $_instances[$class_name];
+    }
+
+    final private function __clone() {}
+}