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<?php class Singelton { private static $instances; public static function getInstance($class_name, $create_function = null) { if(!isset(self::$instances[$class_name])) { if($create_function === null) self::$instances[$class_name] = new $class_name(); else self::$instances[$class_name] = $create_function(); } return self::$instances[$class_name]; } } ?>
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