#grep 'zend_extension.*ioncube' /etc/php.ini /etc/php.d/*

#vi /etc/php.d/ioncube-loader.ini

; comment out next line to disable ionCube Zend extension in php
;zend_extension=/usr/lib64/php/modules/ioncube_loader_lin_5.1.so

#vi /etc/php.ini

[Zend]
 zend_extension=/usr/lib64/php/modules/ioncube_loader_lin_5.1.so
 zend_extension_manager.optimizer=/usr/local/Zend/lib/Optimizer-3.3.3
 zend_extension_manager.optimizer_ts=/usr/local/Zend/lib/Optimizer_TS-3.3.3
 zend_optimizer.version=3.3.3
 zend_extension=/usr/local/Zend/lib/ZendExtensionManager.so
 zend_extension_ts=/usr/local/Zend/lib/ZendExtensionManager_TS.so

service httpd restart

    	 		
    php -v

 		 	   	 		
    PHP 5.2.3 (cli) (built: Jun 7 2007 08:59:02)
    Copyright (c) 1997-2007 The PHP Group
    Zend Engine v2.2.0, Copyright (c) 1998-2007 Zend Technologies
    with the ionCube PHP Loader v3.1.31, Copyright (c) 2002-2007, by ionCube Ltd., and
    with Zend Extension Manager v1.2.0, Copyright (c) 2003-2007, by Zend Technologies
    with Zend Optimizer v3.3.0, Copyright (c) 1998-2007, by Zend Technologies