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[root@s1 local]# php -v
Cannot load the ionCube PHP Loader - it was built with configuration 2.2.0, whereas running engine is API220090626,NTS
Zend Optimizer requires Zend Engine API version 220060519.
The Zend Engine API version 220090626 which is installed, is newer.
Contact Zend Technologies at
PHP Web Application Server - PHP Development tools - PHP Training - Zend.com for a later version of Zend Optimizer.
PHP 5.3.24 (cli) (built: Apr 25 2013 00:10:09)
Copyright (c) 1997-2013 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2013 Zend Technologies