PHP自动获取关键字有关问题
PHP自动获取关键字问题标题
内容：
关键字：
当keywords为空时，自动获取关键字。
各位大神，什么写？
新手求虐、、、
PHP 关键字 自动关键字 分享到：
------解决方案--------------------
比如
require 'pscws4.class.php';
$text = '这里是标题测试文档';
$cws = new PSCWS4('gbk');
$cws->set_dict('etc/dict.xdb');
$cws->set_rule('etc/rules.ini');
$cws->send_text($text);
echo "Top words stats:\n\n";<br /> $ret = array();<br /> $ret = $cws->get_tops(10,'r,v,p');<br /> <br /> echo "No.\tWord\t\tAttr\tTimes\tRank\n------------------------------------------------------\n";<br /> $i = 1;<br /> foreach ($ret as $tmp)<br /> {<br /> printf("%02d.\t%-16s\t%s\t%d\t%.2f\n", $i++, $tmp['word'], $tmp['attr'], $tmp['times'], $tmp['weight']);<br /> }<br /> $cws->close();<br /> </pre><pre class="code" >Top words stats:<br /> <br /> No. Word Attr Times Rank<br /> ------------------------------------------------------<br /> 01. 文档 n 1 4.80<br /> 02. 标题 n 1 4.76<br /> 03. 测试 vn 1 4.72</pre><br /></p> <p align="left"><div style="display:none;"><span id="url" itemprop="url">/phprm/6264.html</span><span id="indexUrl" itemprop="indexUrl">www.phpzy.com</span><span id="isOriginal" itemprop="isOriginal">true</span><span id="isBasedOnUrl" itemprop="isBasedOnUrl">/phprm/6264.html</span><span id="genre" itemprop="genre">TechArticle</span><span id="description" itemprop="description">PHP自动获取关键字有关问题 PHP自动获取关键字问题 标题 内容： 关键字： 当keywords为空时，自动获取关键字。 各位大神，什么写？ 新手求虐、、、 PHP 关键字 自动关键字 分享到： 内...</span></div></p></div> <div class="art_confoot"><script src='http://www.phpzy.com/ad/art_confoot.js' type="text/javascript"></script></div> <div class="page"></div> <div class="post-related"> <h3 class="tit_3">相关文章</h3><div class="clearfix m_5"> <ul> <li><a href='/phprm/6263.html' title='PHP页面重定向的有关问题' target='_blank'>PHP页面重定向的有关问题</a></li><li><a href='/phprm/6262.html' title='php中图片上传解决方案' target='_blank'>php中图片上传解决方案</a></li><li><a href='/phprm/6261.html' title='php截取特定段落怎么操作' target='_blank'>php截取特定段落怎么操作</a></li><li><a href='/phprm/6260.html' title='php项目登记登录模块' target='_blank'>php项目登记登录模块</a></li><li><a href='/phprm/6259.html' title='关于PHP更新数据库解决办法' target='_blank'>关于PHP更新数据库解决办法</a></li><li><a href='/phprm/6258.html' title='apachemysqlphp建设网站,该怎么学' target='_blank'>apachemysqlphp建设网站,该怎么学</a></li></ul></div> </div> <div class="option-btns"> <div 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