基于Snoopy的PHP近似完美获取网站编码的代码

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先要到网上下载Snoopy.class.PHP
调用方法
<div class="codetitle"><a style="CURSOR: pointer" data="29757" class="copybut" id="copybut29757" onclick="doCopy('code29757')"> 代码如下:

<div class="codebody" id="code29757">
<?PHP
require 'lib/Snoopy.class.PHP';
require 'lib/WebCrawl.class.PHP';//包含下面代码
$go=new WebCrawl('http://www.baidu.com');
echo $go->getCharset();
?>

<div class="codetitle"><a style="CURSOR: pointer" data="21471" class="copybut" id="copybut21471" onclick="doCopy('code21471')"> 代码如下:
<div class="codebody" id="code21471">
<?PHP
class WebCrawl
{
private $url;
private $request;
public $charset_arr=array(
'gb2312',
'utf-8',
'big5',
'gbk',
'ascii',
'cp936',
'ibm037',
'ibm437',
'ibm500',
'asmo-708',
'dos-720',
'ibm737',
'ibm775',
'ibm850',
'ibm852',
'ibm855',
'ibm857',
'ibm00858',
'ibm861',
'ibm860',
'dos-862',
'ibm863',
'ibm864',
'ibm865',
'cp866',
'ibm869',
'ibm870',
'windows-874',
'cp875',
'shift_jis',
'ks_c_5601-1987',
'ibm1026',
'ibm01047',
'ibm01040',
'ibm01041',
'ibm01042',
'ibm01043',
'ibm01044',
'ibm01045',
'ibm01046',
'ibm01048',
'ibm01049',
'utf-16',
'unicodefffe',
'windows-1250',
'windows-1251',
'windows-1252',
'windows-1253',
'windows-1254',
'windows-1255',
'windows-1256',
'windows-1257',
'windows-1258',
'johab',
'macintosh',
'x-mac-japanese',
'x-mac-chinesetrad',
'x-mac-korean',
'x-mac-arabic',
'x-mac-hebrew',
'x-mac-greek',
'x-mac-cyrillic',
'x-mac-chinesesimp',
'x-mac-romanian',
'x-mac-ukrainian',
'x-mac-thai',
'x-mac-ce',
'x-mac-icelandic',
'x-mac-turkish',
'x-mac-croatian',
'x-chinese-cns',
'x-cp20001',
'x-chinese-eten',
'x-cp20003',
'x-cp20004',
'x-cp20005',
'x-ia5',
'x-ia5-german',
'x-ia5-swedish',
'x-ia5-norwegian',
'us-ascii',
'x-cp20261',
'x-cp20269',
'ibm273',
'ibm277',
'ibm278',
'ibm280',
'ibm284',
'ibm285',
'ibm290',
'ibm420',
'ibm423',
'ibm424',
'x-ebcdic-koreanextended',
'ibm-thai',
'koi8-r',
'ibm871',
'ibm880',
'ibm905',
'ibm00924',
'x-cp20936',
'x-cp20949',
'cp1025',
'koi8-u',
'iso-8859-1',
'iso-8859-2',
'iso-8859-3',
'iso-8859-4',
'iso-8859-5',
'iso-8859-6',
'iso-8859-7',
'iso-8859-8',
'iso-8859-9',
'iso-8859-13',
'iso-8859-15',
'x-europa',
'iso-8859-8-i',
'iso-2022-jp',
'csiso2022jp',
'iso-2022-kr',
'x-cp50227',
'euc-jp',
'euc-cn',
'euc-kr',
'hz-gb-2312',
'gb18030',
'x-iscii-de',
'x-iscii-be',
'x-iscii-ta',
'x-iscii-te',
'x-iscii-as',
'x-iscii-or',
'x-iscii-ka',
'x-iscii-ma',
'x-iscii-gu',
'x-iscii-pa',
'utf-7',
'utf-32',
'utf-32be'
);
public function __construct($url)
{
$this->url=$url;
}
//打开网站
private function open($url)
{
if($this->request!==null)
{
if($this->request->status==200)
{
return true;
}
else
{
return false;
}
}
else
{
$this->request=new Snoopy();
$this->request->fetch($url);
if($this->request->status==200)
{
$this->request->results=strtolower($this->request->results);
$charset=$this->getCharset();
if($charset!="utf-8")
{
if($charset=="windows-1252")
{
$this->request->results=$this->uni_decode($this->request->results);
}
else
{
$this->request->results=mb_convert_encoding($this->request->results,"UTF-8",$charset);
}
}
return true;
}
else
{
return false;
}
}
}
//获取网站title,keywords,description
public function getWebinfo()
{
$info=array(
'title'=>'',
'keywords'=>'',
'desc'=>'',
'ip'=>''
);
if(!$this->open($this->url)){return $info;exit;}
// print_r($this->request->results);exit;
preg_match('/([^>]<em>)<\/title>/si',$this->request->results,$titlematch ); <BR>if (isset($titlematch) && is_array($titlematch) && count($titlematch) > 0) <BR>{ <BR>$info['title'] = strip_tags($titlematch[1]); <BR>} <BR>preg_match_all('/<[\s]</em>meta[\s]<em>name="?' . '([^>"]</em>)"?[\s]<em>' . 'content="?([^>"]</em>)"?[\s]<em>[\/]?[\s]</em>>/si',$match); <BR>$ft=0; <BR>foreach($match[1] as $mt) <BR>{ <BR>if($mt=="keywords" || $mt=="description") <BR>{ <BR>$ft=1; <BR>} <BR>} <BR>if($ft==0) <BR>{ <BR>preg_match_all('/<[\s]<em>meta[\s]</em>content="?([^>"]<em>)"?[\s]</em>name="?' . '([^>"]<em>)"?[\s]</em>[\/]?[\s]*>/si',$match); <BR>if (isset($match) && is_array($match) && count($match) == 3) <BR>{ <BR>$originals = $match[0]; <BR>$names = $match[2]; <BR>$values = $match[1]; <BR>if (count($originals) == count($names) && count($names) == count($values)) <BR>{ <BR>$<a href="/tag/Meta/" target="_blank" class="keywords">Meta</a>Tags = array(); <BR>for ($i=0,$limiti=count($names); $i < $limiti; $i++) <BR>{ <BR>$<a href="/tag/Meta/" target="_blank" class="keywords">Meta</a>Tags[$names[$i]] = array ( <BR>'html' => htmlentities($originals[$i]),<BR>'value' => $values[$i] <BR>); <BR>} <BR>} <BR>} <BR>} <BR>else <BR>{ <BR>if (isset($match) && is_array($match) && count($match) == 3) <BR>{ <BR>$originals = $match[0]; <BR>$names = $match[1]; <BR>$values = $match[2]; <BR>if (count($originals) == count($names) && count($names) == count($values)) <BR>{ <BR>$<a href="/tag/Meta/" target="_blank" class="keywords">Meta</a>Tags = array(); <BR>for ($i=0,<BR>'value' => $values[$i] <BR>); <BR>} <BR>} <BR>} <BR>} <BR>$result = array ( <BR>'<a href="/tag/Meta/" target="_blank" class="keywords">Meta</a>Tags' => $<a href="/tag/Meta/" target="_blank" class="keywords">Meta</a>Tags <BR>); <BR>if(isset($result['<a href="/tag/Meta/" target="_blank" class="keywords">Meta</a>Tags']['keywords']['value'])) <BR>{ <BR>$info['keywords']=$result['<a href="/tag/Meta/" target="_blank" class="keywords">Meta</a>Tags']['keywords']['value']; <BR>} <BR>else <BR>{ <BR>$info['keywords']=""; <BR>} <BR>if(isset($result['<a href="/tag/Meta/" target="_blank" class="keywords">Meta</a>Tags']['description']['value'])) <BR>{ <BR>$info['desc']=$result['<a href="/tag/Meta/" target="_blank" class="keywords">Meta</a>Tags']['description']['value']; <BR>} <BR>else <BR>{ <BR>$info['desc']=""; <BR>} <BR>$domain=preg_replace('/http\:\/\//si','',$this->url); <BR>$ip=@gethostbyname($domain); <BR>$ip_arr=explode(".",$ip); <BR>if(count($ip_arr)==4) <BR>{ <BR>$info['ip']=$ip; <BR>} <BR>return $info; <BR>} <BR>public function t($string,$o) <BR>{ <BR>for($i=0;$i<strlen($string);$i++) <BR>{ <BR>if(ord($string{$i})<128) <BR>continue; <BR>if((ord($string{$i})&224)==224) <BR>{ <BR>//第一个字节判断通过 <BR>$char = $string{++$i}; <BR>if((ord($char)&128)==128) <BR>{ <BR>//第二个字节判断通过 <BR>$char = $string{++$i}; <BR>if((ord($char)&128)==128) <BR>{ <BR>$encoding = "UTF-8"; <BR>break; <BR>} <BR>} <BR>} <BR>if((ord($string{$i})&192)==192) <BR>{ <BR>//第一个字节判断通过 <BR>$char = $string{++$i}; <BR>if((ord($char)&128)==128) <BR>{ <BR>//第二个字节判断通过 <BR>$encoding = "GB2312"; <BR>break; <BR>} <BR>} <BR>} <BR>return strtolower($encoding); <BR>} <BR>function uni_decode ($str,$code = 'utf-8'){ <BR>$str = json_decode(preg_replace_callback('/&#(\d{5});/',create_function('$dec','return \'\u\'.dechex($dec[1]);'),'"'.$str.'"')); <BR>if($code != 'utf-8'){ $str = iconv('utf-8',$code,$str); } <BR>return $str; <BR>} <BR>//<a href="/tag/huoqu/" target="_blank" class="keywords">获取</a>网站编码 <BR>public function getCharset() <BR>{ <BR>if(!$this->open($this->url)){return false;exit;} <BR>//首先从html<a href="/tag/huoqu/" target="_blank" class="keywords">获取</a>编码 <BR>preg_match("/<<a href="/tag/Meta/" target="_blank" class="keywords">Meta</a>.+?charset=[^\w]?([-\w]+)/i",$temp) ? strtolower($temp[1]):""; <BR>if($temp[1]!="") <BR>{ <BR>if(in_array($temp[1],$this->charset_arr)) <BR>{ <BR>if($temp[1]=="gb2312") <BR>{ <BR>$tmp_charset=$this->t($this->request->results,$temp[1]); <BR>if($tmp_charset==$temp[1]) <BR>{ <BR>return $temp[1]; <BR>} <BR>} <BR>else <BR>{ <BR>return $temp[1]; <BR>} <BR>} <BR>} <BR>if(!empty($this->request->headers)) <BR>{ <BR>//从header中<a href="/tag/huoqu/" target="_blank" class="keywords">获取</a>编码 <BR>$hstr=strtolower(implode("|||",$this->request->headers)); <BR>preg_match("/charset=[^\w]?([-\w]+)/is",$hstr,$lang) ? strtolower($lang[1]):""; <BR>if($lang[1]!="") <BR>{ <BR>return $lang[1]; <BR>} <BR>} <BR>$encode_arr=array("UTF-8","GB2312","GBK","BIG5","ASCII","EUC-JP","Shift_JIS","CP936","ISO-8859-1","JIS","eucjp-win","sjis-win"); <BR>$encoded=mb_detect_encoding($this->request->results,$encode_arr); <BR>if($encoded) <BR>{ <BR>return strtolower($encoded); <BR>} <BR>else <BR>{ <BR>return false; <BR>} <BR>} <BR>} <BR>?> <BR></div></p></div> <div class="topcard-tags"><a href="/tag/Snoopy/" class="tag_link" target="_blank">Snoopy</a><a href="/tag/wangzhanbianma/" class="tag_link" target="_blank">网站编码</a></div> <ul class="list-group"> <li class="list-group-item"><a href="/php/27567.html" title="php中经典方法实现判断多维数组是否为空">上一篇:php中经典方法实现判断多维数组是否</a><a href="/php/27565.html" title="php中批量修改文件后缀名的函数代码" class="text-muted pull-right">下一篇:php中批量修改文件后缀名的函数代码</a> </li> </ul> </div> </div> </div> <!-- row end --> <div class="row row-sm"> <div class="col-sm-12 col-md-12 col-lg-12"> <div class="card"> <ins class="adsbygoogle" style="display:block" data-ad-format="autorelaxed" data-ad-client="ca-pub-4605373693034661" data-ad-slot="9144498553"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script></div> </div> </div> <div class="row row-sm"> <div class="col-sm-12 col-md-12 col-lg-12"> <div class="card"> <div class="title"><h1>猜你在找的PHP相关文章</h1></div> <div class="list_con"> <a href="/php/997740.html" title="Hessian通讯协议【附PHP源代码】"><img class="lazy" src="/images/np.jpg" data-original="/res/2021/02-22/19/361df348b2385424b031f281e9807f35.png" title="" width="160" height="90" style="float:right;margin-left:30px;display:none;" /><div class="title">Hessian通讯协议【附PHP源代码】</div> <div class="summary">Hessian开源的远程通讯,采用二进制 RPC的协议,基于 HTTP 传输。可以实现PHP调用Java,Pyt...</div> <time class="summary">作者:前端之家 时间:2021-02-22</time> </a> </div> <div class="list_con"> <a href="/php/997739.html" title="初识Mongodb总结"><img class="lazy" src="/images/np.jpg" data-original="/res/2021/02-22/19/b4d39ef6acdce4fc3ef2fe713961a4c2.png" title="" width="160" height="90" style="float:right;margin-left:30px;display:none;" /><div class="title">初识Mongodb总结</div> <div class="summary">初识Mongodb的一些总结,在Mac Os X下真实搭建mongodb环境,以及分享个Mongodb管理工具,学习...</div> <time class="summary">作者:前端之家 时间:2021-02-22</time> </a> </div> <div class="list_con"> <a href="/php/997738.html" title="初识Mongodb之[CURD]-PHP版"><img class="lazy" src="/images/np.jpg" data-original="/res/2021/02-22/19/d009a8111c246e74506457f4b9a3356b.png" title="" width="160" height="90" style="float:right;margin-left:30px;display:none;" /><div class="title">初识Mongodb之[CURD]-PHP版</div> <div class="summary">边看边操作,这样才能记得牢,实践是检验真理的唯一标准.光看不练假把式,光练不看傻把式,边看...</div> <time class="summary">作者:前端之家 时间:2021-02-22</time> </a> </div> <div class="list_con"> <a href="/php/997665.html" title="php学习日志 - echo&print"><img class="lazy" src="/images/np.jpg" data-original="/res/2021/02-21/08/daa4210b68d9838740e9ea77a21307fa.png" title="" width="160" height="90" style="float:right;margin-left:30px;display:none;" /><div class="title">php学习日志 - echo&print</div> <div class="summary">在php中,结果输出一共有两种方式:echo和print,下面将对两种方式做一个比较。 echo与pri...</div> <time class="summary">作者:前端之家 时间:2021-02-21</time> </a> </div> <div class="list_con"> <a href="/php/997664.html" title="The mbstring extension is missing. 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