1. Установил Zend так
2. Установил IonCube так
Результат — и /maps и /servtest.php — белый экран
PHP 5.3.10-1ubuntu3.4 with Suhosin-Patch (cli) (built: Sep 12 2012 18:59:41) Copyright (c) 1997-2012 The PHP Group Zend Engine v2.3.0, Copyright (c) 1998-2012 Zend Technologies with the ionCube PHP Loader v4.2.2, Copyright (c) 2002-2012, by ionCube Ltd., and with XCache v1.3.2, Copyright (c) 2005-2011, by mOo with Zend Guard Loader v3.3, Copyright (c) 1998-2010, by Zend Technologies
[PHP Modules] bcmath bz2 calendar Core ctype dba dom exif fileinfo filter ftp gd imagick imap ionCube Loader json libxml mbstring mcrypt mysqli openssl pcntl pcre PDO pdo_mysql Phar posix readline Reflection session shmop SimpleXML soap sockets SPL standard sysvmsg sysvsem sysvshm tokenizer wddx XCache xml xmlreader xmlwriter Zend Guard Loader zip zlib [Zend Modules] XCache Zend Guard Loader the ionCube PHP Loader