关于MEDIAWIKI的安装问题

clhy

在MEDIAWIKI的安装页面里，language选择菜单是空的，没有任何语言选项。只好略过，填写了其他信息后，按“install"，无法安装，提示如下：
Checking environment...

    * PHP 4.3.11: ok
    * PHP server API is apache2handler; ok, using pretty URLs (index.php/Page_Title)
    * Have XML / Latin1-UTF-8 conversion support.
    * PHP's memory_limit is 8M. If this is too low, installation may fail!
      Warning: preg_match: internal pcre_fullinfo() error -3 in /home/httpd/mwiki/config/index.php on line 251
      Attempting to raise limit to 20M... ok.
    * Have zlib support; enabling output compression.
    * Turck MMCache not installed, can't use object caching functions
    * Found GD graphics library built-in, image thumbnailing will be enabled if you enable uploads.
    * Installation directory: /home/httpd/mwiki
    * Script URI path:

      Warning: preg_match: internal pcre_fullinfo() error -3 in /home/httpd/mwiki/config/index.php on line 346

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哪为帮忙分析一下，什么原因？怎么解决？谢谢。在线等

cnhnln

修改php.ini的
;;;;;;;;;;;;;;;;;;;
; Resource Limits ;
;;;;;;;;;;;;;;;;;;;
字段