[root@showip opt]# wget http://downloads.zend.com/guard/6.0.0/ZendGuardLoader-70429-PHP-5.4-linux-glibc23-x86_64.tar.gz

[root@showip opt]# tar zxf ZendGuardLoader-70429-PHP-5.4-linux-glibc23-x86_64.tar.gz

[root@showip opt]# mkdir /usr/local/zend

[root@showip opt]# cp ZendGuardLoader-70429-PHP-5.4-linux-glibc23-x86_64/php-5.4.x/ZendGuardLoader.so /usr/local/zend/

[root@showip opt]# vi /usr/local/php/etc/php.ini  #添加一下内容

[Zend Optimizer]

zend_loader.enable = 1       #启用 Zend Guard Loader

[Zend Guard]

zend_extension=/usr/local/zend/ZendGuardLoader.so

zend_loader.enable=1

zend_loader.disable_licensing=0        #禁用许可证检查

zend_loader.obfuscation_level_support=3   #支持混淆级别

zend_loader.license_path=

3.重启php测试

apache 重启  service httpd restart