php是php-5.3.5-win32-vc6-x86
zend是zendguardloader-php-5.3-windows
我把zendloader.dll复制到php的ext目录下，然后再php.ini修改如下
zend_extension=”g:/wamp/php5/ext/zendloader.dll”
zend_loader.enable=1
zend_loader.disable_licensing = 0
zend_loader.obfuscation_level_support = 3
重启服务器后就是不成功，我在网上找也是上面的方法，请大神指教。
回复讨论(解决方案) 为何不用zend optimizer?
既然你坚持用这个,那么你把启动apache时的错误内容发上来看下,或者把error日志发上来看看,帮你找原因.
php5.3版本好像不能用zend optimizer
[sun dec 30 11:03:25 2012] [notice] parent: received restart signal -- restarting the server.
[sun dec 30 11:03:25 2012] [notice] child 1680: exit event signaled. child process is ending.
warning: documentroot [g:/wamp/apache2/docs/dummy-host.www.wuliao] does not exist
warning: documentroot [g:/wamp/apache2/docs/dummy-host2.www.wuliao] does not exist
[sun dec 30 11:03:26 2012] [notice] child 1680: released the start mutex
httpd.exe: could not reliably determine the server's fully qualified domain name, using 169.254.67.235 for servername
[sun dec 30 11:03:26 2012] [notice] apache/2.2.22 (win32) php/5.3.5 configured -- resuming normal operations
[sun dec 30 11:03:26 2012] [notice] server built: jan 28 2012 11:16:39
[sun dec 30 11:03:26 2012] [notice] parent: created child process 1804
warning: documentroot [g:/wamp/apache2/docs/dummy-host.www.wuliao] does not exist
warning: documentroot [g:/wamp/apache2/docs/dummy-host2.www.wuliao] does not exist
httpd.exe: could not reliably determine the server's fully qualified domain name, using 169.254.67.235 for servername
ild 1680: child process is exiting
warning: documentroot [g:/wamp/apache2/docs/dummy-host.www.wuliao] does not exist
warning: documentroot [g:/wamp/apache2/docs/dummy-host2.www.wuliao] does not exist
httpd.exe: could not reliably determine the server's fully qualified domain name, using 169.254.67.235 for servername
failed loading ”g:/wamp/php5/ext/zendloader.dll”
[sun dec 30 11:03:28 2012] [notice] child 1804: child process is running
[sun dec 30 11:03:28 2012] [notice] child 1804: acquired the start mutex.
[sun dec 30 11:03:28 2012] [notice] child 1804: starting 64 worker threads.
[sun dec 30 11:03:28 2012] [notice] child 1804: starting thread to listen on port 80.
我也遇到这个问题，不知道楼主解决了没？
http://blog.sina.com.cn/s/blog_4bce22f40101f55r.html
看看上面的博客，php5.3+apache看来是无解了。