curl_init回来的编码如何判断?个别文字乱码求解

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Release: 2016-06-13 12:27:03
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curl_init回来的编码怎么判断?个别文字乱码求解!
代码如下:

<br /><?php<br />$url = "http://zhidao.baidu.com/link?url=pTwcJotQ02pjg-mjCnc-fkw8ONOY9x8q0ESrCFhdVJy47agZnDnCb-BCAtngRGDt9yi0TvleSS_w0aPj8Vsk0atVkVhNYdZADN0kv0BzNau";<br /><br />echo fopen_url($url);<br />function fopen_url($url) <br />{ <br />    if (function_exists('curl_init'))<br />	{ <br />        $curl_handle = curl_init(); <br />        curl_setopt($curl_handle, CURLOPT_URL, $url); <br />        curl_setopt($curl_handle, CURLOPT_CONNECTTIMEOUT,2); <br />        curl_setopt($curl_handle, CURLOPT_RETURNTRANSFER,1); <br />        curl_setopt($curl_handle, CURLOPT_FAILONERROR,1); <br />		curl_setopt($curl_handle, CURLOPT_TIMEOUT,2);<br />        $file_content = curl_exec($curl_handle);<br />		$encode = mb_detect_encoding($file_content, array("ASCII","UTF-8","GB2312","GBK","BIG5"));		<br />		if($encode != "UTF-8")<br />		{<br />		   $file_content = mb_convert_encoding($file_content, "UTF-8", $encode);<br />		   //$file_content = iconv($encode,'utf-8//IGNORE',$file_content);<br />		}<br />        curl_close($curl_handle); <br />    }<br />	else<br />	{ <br />        $file_content = ''; <br />    } <br />    return $file_content; <br />}<br />?><br /><br />
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个别字符竟然会乱码!奇怪,请看图



这什么原因造成的?

上面的代码貌似有误啊,原页面明明是GB2312  缺判断出是CP936,无语啊

请帮忙看看上面代码是不是需要完善一下

非常感谢!
------解决思路----------------------
返回的数据中有:

根据他就可知道页面编码

没有时才需要编程判断
mb_detect_encoding 判断常有失误,所以又增加了 mb_check_encoding 函数

数据片段

没理由出现非法字符

CP936 是 GBK 的国际称谓
------解决思路----------------------
第一个问题,不是乱码,那是图片,curl抓取百度页面,会特意把某些文字转换成图片,防抓取。你查看网页元素,你就会发现,那些乱码其实是百度的图片地址。

第二个问题,你把超时时间设置大点,就好了,可能是你网络问题。

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