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求高手帮忙解答上

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Release： 2016-06-13 10:43:03
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求高手帮忙解答下

PHP code
<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--><?php $baidu = file_get_contents("http://www.baidu.com/s?wd=site:www.baidu.com");        preg_match('/找到相关结果数(.+)个/', $baidu, $baidu_site_num);        print_r($baidu_site_num);?>
Copy after login

为什么匹配不到结果呢? 求解
该怎么写呢

------解决方案--------------------
文件编码先弄成UTF-8

探讨

....奇怪了

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