- $class_path = preg_replace('{\\\\|_(?!.*\\\\)}', DIRECTORY_SEPARATOR, ltrim($class, '\\')).'.php';
- $file = INSTALLDIR.'/extlib/'.$class_path;
+ $class_base = preg_replace('{\\\\|_(?!.*\\\\)}', DIRECTORY_SEPARATOR, ltrim($class, '\\'));
+ $file = INSTALLDIR."/extlib/{$class_base}.php";