Cannot load Zend Extension Manager - it was built with configuration 1.2.0

[root@kp ~]# php -v
Cannot load Zend Extension Manager - it was built with configuration 1.2.0, whereas running engine is API220090626,NTS
PHP 5.3.2 (cli) (built: Oct  8 2010 23:17:55)
Copyright (c) 1997-2010 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies

其中,当前的安装版本为:
      Apache: 2.2.9 (httpd-2.2.9.tar.gz)
      PHP:5.3.2 (php-5.3.2.tar.bz2)
      Zend Optimizer:3.3.0a (ZendOptimizer-3.3.0a-linux-glibc21-i386.tar.gz)
      Zend Optimizer的安装路径为:/usr/local/Zend

安装zend optimizer后的php.ini文件内容为:
      [Zend]
      zend_extension_manager.optimizer=/usr/local/Zend/lib/Optimizer-3.3.0
      zend_extension_manager.optimizer_ts=/usr/local/Zend/lib/Optimizer_TS-3.3.0
      zend_optimizer.version=3.3.0a
      zend_extension=/usr/local/Zend/lib/ZendExtensionManager.so
      zend_extension_ts=/usr/local/Zend/lib/ZendExtensionManager_TS.so
     
      安装完Zend Optimizer之后将/usr/local/etc下的php.ini文件拷贝到了 /etc/目录下,依然出现如上问题。
      同时selinux已关闭。

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若将 php-5.2.6 上的./php/bin/php 可执行文件拷贝到本地机器/home/目录下,执行 /home/php -v,则如下:
      [root@kp ~]# /home/php -v
      PHP 5.2.6 (cli) (built: Sep 30 2010 21:06:16)
      Copyright (c) 1997-2008 The PHP Group
      Zend Engine v2.2.0, Copyright (c) 1998-2008 Zend Technologies
            with Zend Extension Manager v1.2.2, Copyright (c) 2003-2007, by Zend Technologies
            with Zend Optimizer v3.3.0, Copyright (c) 1998-2007, by Zend Technologies
      则不会报“Cannot load Zend Extension Manager ...”之类的信息。

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