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extend/app_alipay/lotusphp_runtime/ObjectUtil/ObjectUtil.php

@@ -0,0 +1,33 @@
+<?php
+class LtObjectUtil
+{
+	static $instances;
+
+	static public function singleton($className, $autoInited = true)
+	{
+		if (empty($className))
+		{
+			trigger_error('empty class name');
+			return false;
+		}
+		$key = strtolower($className);
+		if (isset(self::$instances[$key]))
+		{
+			return self::$instances[$key];
+		}
+		else if (class_exists($className))
+		{
+			$newInstance = new $className;
+			if ($autoInited && method_exists($newInstance, 'init'))
+			{
+				$newInstance->init();
+			}
+			self::$instances[$key] = $newInstance;
+			return $newInstance;
+		}
+		else
+		{
+			return false;
+		}
+	}
+}